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However, laser welding of high-strength aluminum alloys at high welding speeds may result in the formation of transverse hot cracks in the weld seam, potentially causing component failure due to leakage. To determine strategies to avoid transverse hot cracks, the influence of the welding speed during full-penetration laser welding is analyzed both experimentally and theoretically using numerical simulations of the temperature field and the fluid flow. A metallographic analysis of the welded samples showed an increase in the number of transverse hot cracks with increasing welding speeds. The results revealed that a major mechanism for the formation of transverse hot cracks at high welding speeds is a significant reduction of the static pressure at the side of the melt pool, which impairs liquid feeding into the intergranular region. These findings provide fundamental knowledge for the development of optimization strategies to reduce the formation of transverse hot cracks at high welding speeds.", "language" : "English", "issn" : "0030-3992", "doi" : "10.1016/j.optlastec.2025.113898", "bibtexKey": "Michel_2025_Mechanisms_Cracks" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2a8db9c33dd141c0142c37aec16c3482c/ifsw", "tags" : [ "myown","Welding","Simulation","peer","Laser","HotCracking","FluidFlow","Aluminium" ], "intraHash" : "a8db9c33dd141c0142c37aec16c3482c", "interHash" : "f0ab1e31d3b83b52a60c3373e0a9d2d9", "label" : "Mechanisms of transverse hot crack formation during laser welding of high-strength aluminum alloys at high welding speeds", "user" : "ifsw", "description" : "", "date" : "2025-09-18 13:10:40", "changeDate" : "2025-09-18 13:10:40", "count" : 3, "pub-type": "article", "journal": "Optics & Laser Technology","publisher":"Elsevier BV", "year": "2025", "url": "http://dx.doi.org/10.1016/j.optlastec.2025.113898", "author": [ "Johannes Michel","Jonas Wagner","Frauke Holder","Felix Zaiß","Christian Hagenlocher","Thomas Graf" ], "authors": [ {"first" : "Johannes", "last" : "Michel"}, {"first" : "Jonas", "last" : "Wagner"}, {"first" : "Frauke", "last" : "Holder"}, {"first" : "Felix", "last" : "Zaiß"}, {"first" : "Christian", "last" : "Hagenlocher"}, {"first" : "Thomas", "last" : "Graf"} ], "volume": "192","pages": "113898","abstract": "High-strength aluminum alloys provide favorable material properties for components in modern battery systems, such as battery trays used in electromobility applications. However, laser welding of high-strength aluminum alloys at high welding speeds may result in the formation of transverse hot cracks in the weld seam, potentially causing component failure due to leakage. To determine strategies to avoid transverse hot cracks, the influence of the welding speed during full-penetration laser welding is analyzed both experimentally and theoretically using numerical simulations of the temperature field and the fluid flow. A metallographic analysis of the welded samples showed an increase in the number of transverse hot cracks with increasing welding speeds. The results revealed that a major mechanism for the formation of transverse hot cracks at high welding speeds is a significant reduction of the static pressure at the side of the melt pool, which impairs liquid feeding into the intergranular region. These findings provide fundamental knowledge for the development of optimization strategies to reduce the formation of transverse hot cracks at high welding speeds.", "language" : "English", "issn" : "0030-3992", "doi" : "10.1016/j.optlastec.2025.113898", "bibtexKey": "Michel_2025_Mechanisms_Cracks" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/294faa804485904c094c72c020988f091/michaelsawannia", "tags" : [ "BeamShaping","Laser","Simulation","Welding","myown","peer" ], "intraHash" : "94faa804485904c094c72c020988f091", "interHash" : "58dcebe663f89a1102ef0499b290946e", "label" : "Numerical analysis of melt flow shaping by means of beam shaping and its effect on the thermal efficiency in laser welding", "user" : "michaelsawannia", "description" : "", "date" : "2025-03-05 08:58:45", "changeDate" : "2025-03-05 08:58:45", "count" : 3, "pub-type": "article", "journal": "Procedia CIRP","publisher":"Elsevier BV", "year": "2024", "url": "http://dx.doi.org/10.1016/j.procir.2024.08.177", "author": [ "Jonas Wagner","Christian Hagenlocher","Michael Sawannia","Alexander Ilin","Peter Stritt","Adina Dais","Reiner Ramsayer","Thomas Graf" ], "authors": [ {"first" : "Jonas", "last" : "Wagner"}, {"first" : "Christian", "last" : "Hagenlocher"}, {"first" : "Michael", "last" : "Sawannia"}, {"first" : "Alexander", "last" : "Ilin"}, {"first" : "Peter", "last" : "Stritt"}, {"first" : "Adina", "last" : "Dais"}, {"first" : "Reiner", "last" : "Ramsayer"}, {"first" : "Thomas", "last" : "Graf"} ], "volume": "124","pages": "574\u2013578", "issn" : "2212-8271", "doi" : "10.1016/j.procir.2024.08.177", "bibtexKey": "Wagner_2024" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/294faa804485904c094c72c020988f091/ifsw", "tags" : [ "myown","Welding","Simulation","peer","Laser","BeamShaping" ], "intraHash" : "94faa804485904c094c72c020988f091", "interHash" : "58dcebe663f89a1102ef0499b290946e", "label" : "Numerical analysis of melt flow shaping by means of beam shaping and its effect on the thermal efficiency in laser welding", "user" : "ifsw", "description" : "", "date" : "2025-03-05 08:58:45", "changeDate" : "2025-03-05 08:58:45", "count" : 3, "pub-type": "article", "journal": "Procedia CIRP","publisher":"Elsevier BV", "year": "2024", "url": "http://dx.doi.org/10.1016/j.procir.2024.08.177", "author": [ "Jonas Wagner","Christian Hagenlocher","Michael Sawannia","Alexander Ilin","Peter Stritt","Adina Dais","Reiner Ramsayer","Thomas Graf" ], "authors": [ {"first" : "Jonas", "last" : "Wagner"}, {"first" : "Christian", "last" : "Hagenlocher"}, {"first" : "Michael", "last" : "Sawannia"}, {"first" : "Alexander", "last" : "Ilin"}, {"first" : "Peter", "last" : "Stritt"}, {"first" : "Adina", "last" : "Dais"}, {"first" : "Reiner", "last" : "Ramsayer"}, {"first" : "Thomas", "last" : "Graf"} ], "volume": "124","pages": "574\u2013578", "issn" : "2212-8271", "doi" : "10.1016/j.procir.2024.08.177", "bibtexKey": "Wagner_2024" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2a94544f51fc55a45b4db93dc2a197894/dtraunecker", "tags" : [ "Diagnostics","Laser","ProcessMonitoring","Simulation","Welding","X-ray","YbYAG","myown" ], "intraHash" : "a94544f51fc55a45b4db93dc2a197894", "interHash" : "cf86e0b2550bc9741cd3bc8585521492", "label" : "Detection of pores during laser beam welding of AlMg3 using the temperature field", "user" : "dtraunecker", "description" : "", "date" : "2024-05-08 14:25:02", "changeDate" : "2024-05-08 14:25:02", "count" : 4, "pub-type": "presentation", "year": "2022", "url": "", "author": [ "David Traunecker","Michael Haas","Michael Jarwitz","Thomas Graf" ], "authors": [ {"first" : "David", "last" : "Traunecker"}, {"first" : "Michael", "last" : "Haas"}, {"first" : "Michael", "last" : "Jarwitz"}, {"first" : "Thomas", "last" : "Graf"} ], "abstract": "To achieve sustainable development in today's production facilities, quality assurance of manufacturing processes, such as laser welding is very important. In particular, online monitoring for direct detection of defective products is especially important. To develop a method for detecting pores during the process, this paper investigates the influence of pores on the temperature field during laser beam welding of AlMg3. Numerical simulations were carried out to theoretically investigate the influence of the pores in the weld seam on the temperature field and experiments were carried out to validate the simulations. The simulations show a clear influence of the pores on the temperature field, making the measurement of the temperature field suitable as a detection method. The detection of the pores from the measured thermal radiation turned out to be difficult because of the huge influence of the seam surface geometry on the emissivity. Especially for an automatic data evaluation, further research on sophisticated evaluation algorithms is required.", "eventtitle" : "ICALEO", "venue" : "Orlando, Florida, United States", "language" : "englisch", "eventdate" : "16 Oktober - 20 Oktober 2022", "bibtexKey": "traunecker2022detection" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2a94544f51fc55a45b4db93dc2a197894/ifsw", "tags" : [ "YbYAG","myown","Diagnostics","Welding","ProcessMonitoring","Simulation","Laser","X-ray" ], "intraHash" : "a94544f51fc55a45b4db93dc2a197894", "interHash" : "cf86e0b2550bc9741cd3bc8585521492", "label" : "Detection of pores during laser beam welding of AlMg3 using the temperature field", "user" : "ifsw", "description" : "", "date" : "2024-05-08 14:25:02", "changeDate" : "2024-05-08 14:25:02", "count" : 4, "pub-type": "presentation", "year": "2022", "url": "", "author": [ "David Traunecker","Michael Haas","Michael Jarwitz","Thomas Graf" ], "authors": [ {"first" : "David", "last" : "Traunecker"}, {"first" : "Michael", "last" : "Haas"}, {"first" : "Michael", "last" : "Jarwitz"}, {"first" : "Thomas", "last" : "Graf"} ], "abstract": "To achieve sustainable development in today's production facilities, quality assurance of manufacturing processes, such as laser welding is very important. In particular, online monitoring for direct detection of defective products is especially important. To develop a method for detecting pores during the process, this paper investigates the influence of pores on the temperature field during laser beam welding of AlMg3. Numerical simulations were carried out to theoretically investigate the influence of the pores in the weld seam on the temperature field and experiments were carried out to validate the simulations. The simulations show a clear influence of the pores on the temperature field, making the measurement of the temperature field suitable as a detection method. The detection of the pores from the measured thermal radiation turned out to be difficult because of the huge influence of the seam surface geometry on the emissivity. Especially for an automatic data evaluation, further research on sophisticated evaluation algorithms is required.", "eventtitle" : "ICALEO", "venue" : "Orlando, Florida, United States", "language" : "englisch", "eventdate" : "16 Oktober - 20 Oktober 2022", "bibtexKey": "traunecker2022detection" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2f4c7e2cac1740398d3e04fcc893ba0d2/ifsw", "tags" : [ "YbYAG","myown","Diagnostics","Welding","ProcessMonitoring","Simulation","Laser","X-ray","from:dtraunecker","Aluminium" ], "intraHash" : "f4c7e2cac1740398d3e04fcc893ba0d2", "interHash" : "cf86e0b2550bc9741cd3bc8585521492", "label" : "Detection of pores during laser beam welding of AlMg3 using the temperature field", "user" : "ifsw", "description" : "", "date" : "2023-01-09 13:35:44", "changeDate" : "2023-09-28 14:31:00", "count" : 4, "pub-type": "inproceedings", "year": "2022", "url": "", "author": [ "David Traunecker","Michael Haas","Michael Jarwitz","Thomas Graf" ], "authors": [ {"first" : "David", "last" : "Traunecker"}, {"first" : "Michael", "last" : "Haas"}, {"first" : "Michael", "last" : "Jarwitz"}, {"first" : "Thomas", "last" : "Graf"} ], "abstract": "To achieve sustainable development in today's\r\nproduction facilities, quality assurance of\r\nmanufacturing processes, such as laser welding is very\r\nimportant. In particular, online monitoring for direct\r\ndetection of defective products is especially important.\r\nTo develop a method for detecting pores during the\r\nprocess, this paper investigates the influence of pores on\r\nthe temperature field during laser beam welding of\r\nAlMg3.\r\nNumerical simulations were carried out to theoretically\r\ninvestigate the influence of the pores in the weld seam\r\non the temperature field and experiments were carried\r\nout to validate the simulations.\r\nThe simulations show a clear influence of the pores on\r\nthe temperature field, making the measurement of the\r\ntemperature field suitable as a detection method. The\r\ndetection of the pores from the measured thermal\r\nradiation turned out to be difficult because of the huge\r\ninfluence of the seam surface geometry on the\r\nemissivity. Especially for an automatic data evaluation,\r\nfurther research on sophisticated evaluation algorithms\r\nis required.", "eventtitle" : "ICALEO", "venue" : "Orlando, Florida, United States", "language" : "englisch", "eventdate" : "16 Oktober - 20 Oktober 2022", "bibtexKey": "Traunecker.2022.Detection" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2f4c7e2cac1740398d3e04fcc893ba0d2/dtraunecker", "tags" : [ "Aluminium","Diagnostics","Laser","ProcessMonitoring","Simulation","Welding","X-ray","YbYAG","myown" ], "intraHash" : "f4c7e2cac1740398d3e04fcc893ba0d2", "interHash" : "cf86e0b2550bc9741cd3bc8585521492", "label" : "Detection of pores during laser beam welding of AlMg3 using the temperature field", "user" : "dtraunecker", "description" : "", "date" : "2023-01-09 13:01:36", "changeDate" : "2023-09-28 14:31:00", "count" : 4, "pub-type": "inproceedings", "year": "2022", "url": "", "author": [ "David Traunecker","Michael Haas","Michael Jarwitz","Thomas Graf" ], "authors": [ {"first" : "David", "last" : "Traunecker"}, {"first" : "Michael", "last" : "Haas"}, {"first" : "Michael", "last" : "Jarwitz"}, {"first" : "Thomas", "last" : "Graf"} ], "abstract": "To achieve sustainable development in today's\r\nproduction facilities, quality assurance of\r\nmanufacturing processes, such as laser welding is very\r\nimportant. In particular, online monitoring for direct\r\ndetection of defective products is especially important.\r\nTo develop a method for detecting pores during the\r\nprocess, this paper investigates the influence of pores on\r\nthe temperature field during laser beam welding of\r\nAlMg3.\r\nNumerical simulations were carried out to theoretically\r\ninvestigate the influence of the pores in the weld seam\r\non the temperature field and experiments were carried\r\nout to validate the simulations.\r\nThe simulations show a clear influence of the pores on\r\nthe temperature field, making the measurement of the\r\ntemperature field suitable as a detection method. The\r\ndetection of the pores from the measured thermal\r\nradiation turned out to be difficult because of the huge\r\ninfluence of the seam surface geometry on the\r\nemissivity. Especially for an automatic data evaluation,\r\nfurther research on sophisticated evaluation algorithms\r\nis required.", "eventtitle" : "ICALEO", "venue" : "Orlando, Florida, United States", "language" : "englisch", "eventdate" : "16 Oktober - 20 Oktober 2022", "bibtexKey": "Traunecker.2022.Detection" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/21fea9ee133c2d1e5fbb2c2c7f8be9232/julianholland", "tags" : [ "Förster,D.","Laser","Mikrobearbeitung","Simulation","Temperaturerhöhung","UKP","Weber,R." ], "intraHash" : "1fea9ee133c2d1e5fbb2c2c7f8be9232", "interHash" : "8b0590a59aa856a59a1eba90cca6ee5b", "label" : "Modellierung der Temperaturerhöhung während der gepulsten Lasermaterialbearbeitung", "user" : "julianholland", "description" : "", "date" : "2021-05-25 16:11:21", "changeDate" : "2021-05-25 14:11:21", "count" : 2, "pub-type": "mastersthesis", "year": "2020", "url": "", "author": [ "Seeg S." ], "authors": [ {"first" : "Seeg", "last" : "S."} ], "number": "IFSW20-10", "bibtexKey": "Se.2020.Modellierung" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/21fea9ee133c2d1e5fbb2c2c7f8be9232/ifsw", "tags" : [ "Temperaturerhöhung","Förster,D.","Simulation","Laser","UKP","Mikrobearbeitung","from:julianholland","Weber,R." ], "intraHash" : "1fea9ee133c2d1e5fbb2c2c7f8be9232", "interHash" : "8b0590a59aa856a59a1eba90cca6ee5b", "label" : "Modellierung der Temperaturerhöhung während der gepulsten Lasermaterialbearbeitung", "user" : "ifsw", "description" : "", "date" : "2021-05-25 16:11:21", "changeDate" : "2021-05-25 14:11:21", "count" : 2, "pub-type": "mastersthesis", "year": "2020", "url": "", "author": [ "Seeg S." ], "authors": [ {"first" : "Seeg", "last" : "S."} ], "number": "IFSW20-10", "bibtexKey": "Se.2020.Modellierung" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2890b14b05e0e5f7ac6d005f256629c50/julianholland", "tags" : [ "Laser","Makrobearbeitung","Sawannia,M.","Schweißen","Simulation","Weber,R." ], "intraHash" : "890b14b05e0e5f7ac6d005f256629c50", "interHash" : "edb2ef02b4b6768f3d8a7d3046af4ce0", "label" : "Untersuchung der Emission von Kapillaren beim Laserstrahlschweißen mittels Raytracing", "user" : "julianholland", "description" : "", "date" : "2021-05-25 16:08:06", "changeDate" : "2021-05-25 14:08:06", "count" : 2, "pub-type": "mastersthesis", "year": "2020", "url": "", "author": [ "Kitsukis A." ], "authors": [ {"first" : "Kitsukis", "last" : "A."} ], "number": "IFSW20-08", "bibtexKey": "Ki.2020.Emission" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2890b14b05e0e5f7ac6d005f256629c50/ifsw", "tags" : [ "Simulation","Laser","Schweißen","from:julianholland","Weber,R.","Makrobearbeitung","Sawannia,M." ], "intraHash" : "890b14b05e0e5f7ac6d005f256629c50", "interHash" : "edb2ef02b4b6768f3d8a7d3046af4ce0", "label" : "Untersuchung der Emission von Kapillaren beim Laserstrahlschweißen mittels Raytracing", "user" : "ifsw", "description" : "", "date" : "2021-05-25 16:08:06", "changeDate" : "2021-05-25 14:08:06", "count" : 2, "pub-type": "mastersthesis", "year": "2020", "url": "", "author": [ "Kitsukis A." ], "authors": [ {"first" : "Kitsukis", "last" : "A."} ], "number": "IFSW20-08", "bibtexKey": "Ki.2020.Emission" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/257a85da79be7c61d1b80bb8fe77a60f6/julianholland", "tags" : [ "Laser","Makrobearbeitung","Schweißen","Simulation","Wagner,J.","Weber,R." ], "intraHash" : "57a85da79be7c61d1b80bb8fe77a60f6", "interHash" : "d9f229efedbf4fb84a8f4179f12be74d", "label" : "Numerische Untersuchung der thermo- und fluiddynamischen Vorgänge an der Kapillarwand und im Schmelzbad beim Laserstrahltiefschweißen", "user" : "julianholland", "description" : "", "date" : "2021-05-25 16:03:14", "changeDate" : "2021-05-25 14:03:14", "count" : 2, "pub-type": "mastersthesis", "year": "2020", "url": "", "author": [ "He P." ], "authors": [ {"first" : "He", "last" : "P."} ], "number": "IFSW20-05", "bibtexKey": "He.2020.Numerisch" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/257a85da79be7c61d1b80bb8fe77a60f6/ifsw", "tags" : [ "Simulation","Laser","Schweißen","from:julianholland","Weber,R.","Makrobearbeitung","Wagner,J." ], "intraHash" : "57a85da79be7c61d1b80bb8fe77a60f6", "interHash" : "d9f229efedbf4fb84a8f4179f12be74d", "label" : "Numerische Untersuchung der thermo- und fluiddynamischen Vorgänge an der Kapillarwand und im Schmelzbad beim Laserstrahltiefschweißen", "user" : "ifsw", "description" : "", "date" : "2021-05-25 16:03:14", "changeDate" : "2021-05-25 14:03:14", "count" : 2, "pub-type": "mastersthesis", "year": "2020", "url": "", "author": [ "He P." ], "authors": [ {"first" : "He", "last" : "P."} ], "number": "IFSW20-05", "bibtexKey": "He.2020.Numerisch" } , { "type" : "Publication", "id" : 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investigate the effects of thermally induced natural convection at the thin-disk laser crystal. Based on this simulation, we calculated the distribution of the refractive index of the ambient gas for the case of air and helium. By evaluating the optical path difference of a beam at normal incidence, the angular tilt (gas wedge) in the plane of the direction of convection as well as the spherical contribution (gas lens) was calculated for a set of different pump spot geometries and temperatures of the pumped area on the surface of the laser disk. Equations were derived that allow to simply calculate the tilt angle and the focal length of the gas lens for different temperatures of the disk and pump spot diameters for air as ambient medium.", "mendeley-groups" : "Airwedge Paper with Tom", "file" : ":C$\\backslash$:/Users/Christoph Röcker/AppData/Local/Mendeley Ltd./Mendeley Desktop/Downloaded/Dietrich et al. - 2020 - Modelling of natural convection in thin-disk lasers.pdf:pdf", "issn" : "0946-2171", "doi" : "10.1007/s00340-020-7394-6", "bibtexKey": "Dietrich2020" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2d8f327bc01a9efecda055eb32642b7ef/christophrcker", "tags" : [ "Laser","Peer","Simulation","ThindiskLaser","myown" ], "intraHash" : "d8f327bc01a9efecda055eb32642b7ef", "interHash" : "82027354775ffa1c9c3a6b6fc36b4517", "label" : "Modelling of natural convection in thin-disk lasers", "user" : "christophrcker", "description" : "", "date" : "2020-02-24 08:54:47", "changeDate" : "2020-02-24 07:55:24", "count" : 2, "pub-type": "article", "journal": "Applied Physics B","publisher":"Springer", "year": "2020", "url": "http://link.springer.com/10.1007/s00340-020-7394-6", "author": [ "Tom Dietrich","Christoph Röcker","Thomas Graf","Marwan Abdou Ahmed" ], "authors": [ {"first" : "Tom", "last" : "Dietrich"}, {"first" : "Christoph", "last" : "Röcker"}, {"first" : "Thomas", "last" : "Graf"}, {"first" : "Marwan", "last" : "Abdou Ahmed"} ], "volume": "126","number": "3","pages": "47","abstract": "In this paper, we present a FEM-model that can be used to investigate the effects of thermally induced natural convection at the thin-disk laser crystal. Based on this simulation, we calculated the distribution of the refractive index of the ambient gas for the case of air and helium. By evaluating the optical path difference of a beam at normal incidence, the angular tilt (gas wedge) in the plane of the direction of convection as well as the spherical contribution (gas lens) was calculated for a set of different pump spot geometries and temperatures of the pumped area on the surface of the laser disk. Equations were derived that allow to simply calculate the tilt angle and the focal length of the gas lens for different temperatures of the disk and pump spot diameters for air as ambient medium.", "mendeley-groups" : "Airwedge Paper with Tom", "file" : ":C$\\backslash$:/Users/Christoph Röcker/AppData/Local/Mendeley Ltd./Mendeley Desktop/Downloaded/Dietrich et al. - 2020 - Modelling of natural convection in thin-disk lasers.pdf:pdf", "issn" : "0946-2171", "doi" : "10.1007/s00340-020-7394-6", "bibtexKey": "Dietrich2020" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/2a24d62304c9f6ea5cf81c5ecf3476d39/ifsw", "tags" : [ "Simulation","Laser","EnergyCoupling","Modeling","Cutting","from:peterberger" ], "intraHash" : "a24d62304c9f6ea5cf81c5ecf3476d39", "interHash" : "28f7e5fff660ff916fa6eed837d5746d", "label" : "High-Quality Laser Processing of CFRP", "user" : "ifsw", "description" : "", "date" : "2020-01-13 00:12:58", "changeDate" : "2020-01-12 23:12:58", "count" : 2, "pub-type": "inproceedings", "booktitle": "Lasers in Manufacturing 2015", "year": "2015", "url": "", "author": [ "Rudolf Weber","Christian Freitag","Margit Wiedenmann","Thomas Graf" ], "authors": [ {"first" : "Rudolf", "last" : "Weber"}, {"first" : "Christian", "last" : "Freitag"}, {"first" : "Margit", "last" : "Wiedenmann"}, {"first" : "Thomas", "last" : "Graf"} ], "venue" : "Munich, Germany", "eventtitle" : "Lasers in Manufacturing Conference (LiM)", "eventdate" : "June 22 - 25, 2015", "bibtexKey": "Weber.2016.High-Quality" } , { "type" : "Publication", "id" : "https://puma.ub.uni-stuttgart.de/bibtex/20101484759fda17021b134747ad582f3/ifsw", "tags" : [ "MicroMaterialProcessing","Drilling","Simulation","Laser","MacroMaterialProcessing","Modeling","Cutting","from:peterberger" ], "intraHash" : "0101484759fda17021b134747ad582f3", "interHash" : "a1f4dd35bcbfdce4ff9c57cff15b3802", "label" : "Laser Processing of Carbon Fibre Reinforced Polymers", "user" : "ifsw", "description" : "", "date" : "2020-01-13 00:12:57", "changeDate" : "2020-01-12 23:12:57", "count" : 2, "pub-type": "inproceedings", "journal": "Phsics Procedia","booktitle": "Lasers in Manufacturing 2011","publisher":"Elsevier Ltd.","address":"Amsterdam", "year": "2011", "url": "", "author": [ "Rudolf Weber","Christian Freitag","Taras V. Kononenko","Margit Hafner","Volkher Onuseit","Anne Feuer","Andreas Michalowski","Thomas Graf","Vitali I. Konov" ], "authors": [ {"first" : "Rudolf", "last" : "Weber"}, {"first" : "Christian", "last" : "Freitag"}, {"first" : "Taras V.", "last" : "Kononenko"}, {"first" : "Margit", "last" : "Hafner"}, {"first" : "Volkher", "last" : "Onuseit"}, {"first" : "Anne", "last" : "Feuer"}, {"first" : "Andreas", "last" : "Michalowski"}, {"first" : "Thomas", "last" : "Graf"}, {"first" : "Vitali I.", "last" : "Konov"} ], "volume": "12, Part A", "venue" : "Munich, Germany", "eventdate" : "May 23 - 26, 2011", "eventtitle" : "Sixth International WLT Conference on Lasers in Manufacturing (LiM)", "doi" : "10.1016/j.phpro.2011.03.001", "bibtexKey": "Weber.2012.Laser" } ] }