ICALEO 2012 Paper #1707 (Meeting Weld Quality Criteria When Laser Welding Ni-Based Alloy 718)
Meeting Weld Quality Criteria When Laser Welding Ni-Based Alloy 718
Authors:
Ali Khan, TWI Ltd; Cambridge Great Britain
Paul Hilton, TWI Ltd; Cambridge Great Britain
Jon Blackburn, TWI Ltd; Cambridge Great Britain
Chris Allen, TWI Ltd; Cambridge Great Britain
Presented at ICALEO 2012
Significant numbers of aero-engine parts are manufactured with Ni-based superalloys because of their excellent heat and corrosion resistant properties. Weld imperfections, such as those associated with bead geometry, sub-surface porosity and liquation cracking are of concern, given the high-performance service requirements of fabricated Ni-based components in the aerospace sec...$28.00
ICALEO 2012 Paper #1706 (Studying the Effect of Laser Welding Parameters on the Quality of ZEK100 Magnesium Alloy Sheets in Lap Joint Configuration)
Studying the Effect of Laser Welding Parameters on the Quality of ZEK100 Magnesium Alloy Sheets in Lap Joint Configuration
Authors:
Masoud Harooni, Center for Laser-aided Manufacturing, Lyle School of Engineering, Southern Methodist Univ.; Dallas TX USA
Fanrong Kong, Center for Laser-aided Manufacturing, Lyle School of Engineering, Southern Methodist Univ.; Dallas TX USA
Blair Carlson, GM: Research Center; Warren MI USA
Radovan Kovacevic, Center for Laser-aided Manufacturing, Lyle School of Engineering, Southern Methodist Univ.; Dallas TX USA
Presented at ICALEO 2012
Magnesium has unique properties which makes it superior to many other metals. It has the b...$28.00
ICALEO 2012 Paper #1702 (High-Quality Laser Welding of Copper Using Appropriate Power Modulation - Invited Presentation - 40 Minutes)
High-Quality Laser Welding of Copper Using Appropriate Power Modulation - Invited Presentation - 40 Minutes
Authors:
Andreas Heider, Institut fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
Rudolf Weber, Institut fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
Thomas Graf, Institut fuer Strahlwerkzeuge (IFSW); Stuttgart Germany
Presented at ICALEO 2012
Due to its very good electric and thermal conductivity, copper is an important material with a wide range of applications, which require an efficient and reliable welding process, preferably with laser beams. The same material properties make laser welding of copper a challenging task. To achieve welds with penetration dep...$28.00
ICALEO 2012 Paper #1701 (Effect of Gas Shielding and Heat Input on Autogenous Welding of Duplex Stainless Steel)
Effect of Gas Shielding and Heat Input on Autogenous Welding of Duplex Stainless Steel
Authors:
Antti Salminen, Laboratory of Laser Materials Processing, Lappeenranta Univ. of Technology, Machine Technology Centre Turku Ltd; Lappeenranta Finland
Elin Westin, Böhler Schweisstechnik Austria GmbH; Kapfenberg Austria
Esa Lappalainen, Laboratory of Laser Materials Processing, Lappeenranta Univ. of Technology; Lappeenranta Finland
Anna Unt, Laboratory of Laser Materials Processing, Lappeenranta Univ. of Technology; Lappeenranta Finland
Presented at ICALEO 2012
Laser welding is often used for welding of stainless steel. Typically the welding is performed as auto...$28.00
ICALEO 2012 Paper #1603 (A Novel Method of Pulsed Laser-Cladding for Effective Control of Melting of WC Particulates in Nicr-WC Composite Coatings)
A Novel Method of Pulsed Laser-Cladding for Effective Control of Melting of WC Particulates in Nicr-WC Composite Coatings
Authors:
Manish Tak, International Advanced Research Centre for Power Metallurgy and New Materials (ARCI); Hyderabad India
S. M. Shariff, International Advanced Research Centre for Power Metallurgy and New Materials (ARCI); Hyderabad India
Vikram Sake, International Advanced Research Centre for Power Metallurgy and New Materials (ARCI); Hyderabad India
G. Padmanabham, International Advanced Research Centre for Power Metallurgy and New Materials (ARCI); Hyderabad India
Presented at ICALEO 2012
In cermet coatings such as WC reinforced Ni-...$28.00
ICALEO 2012 Paper #1602 (Adaptive Shape Control of Laser Metal Deposition by Adjusting Weld Pool Size)
Adaptive Shape Control of Laser Metal Deposition by Adjusting Weld Pool Size
Authors:
Masanori Miyagi, Hitachi Research Laboratory; Hitachi-shi Ibaraki-ken Japan
Takeshi Tsukamoto, Hitachi Research Laboratory; Hitachi-Shi, Ibaraki-Ken Japan
Hirotsugu Kawanaka, Hitachi Research Laboratory; Hitachi-Shi, Ibaraki-Ken Japan
Presented at ICALEO 2012
LMD (Laser Metal Deposition) has been developed for repair of damaged components and for the direct forming of three dimensional structures. From the aspect of productivity, improvement of shape accuracy of the deposit is required to reduce machining process after LMD. Objective of this work is to control build-up shape by adjust...$28.00
ICALEO 2012 Paper #1601 (Challenges in the Design of Portable Laser Repair Systems)
Challenges in the Design of Portable Laser Repair Systems
Authors:
Andrew Nissly, Applied Research Laboratory, The Penn State Univ.; State College PA USA
Stephen W. Brown, Not a presenter - ARL, Penn State Univ.; -
Edward Reutzel, Applied Research Laboratory, The Penn State Univ.; State College PA USA
Todd Palmer, Applied Research Laboratory, The Penn State Univ.; State College PA
Presented at ICALEO 2012
Laser processing is well suited to implementation in high volume applications where a dedicated processing sell is used. The characteristics of laser processing (ease of automation, low heat input, fiber optic delivery) make it an attractive tool for...$28.00
ICALEO 2012 Paper #1505 (Laser GMA Hybrid Welding for Thick Wall Applications of Pipeline Steel with the Grade X70)
Laser GMA Hybrid Welding for Thick Wall Applications of Pipeline Steel with the Grade X70
Authors:
Oliver Seffer, Laser Zentrum Hannover e.V.; Hannover Germany
Jasmin Lindner, Laser Zentrum Hannover e.V.; -
André Springer, Laser Zentrum Hannover e.V.; Hannover Germany
Stefan Kaierle, Laser Zentrum Hannover e.V.; Hannover Germany
Volker Wesling, Laser Zentrum Hannover e.V.; Hannover Germany
Heinz Haferkamp, Laser Zentrum Hannover e.V.; Hannover Germany
Presented at ICALEO 2012
For the joining of heavy plates hybrid processes have been established. The presented approach of one side welding of thick metal sheets combines a laser ...$28.00
ICALEO 2012 Paper #1503 (Laser-GMA Hybrid Welding of Direct Quenched Steel in Lap Joint Configuration - A Preliminary Study)
Laser-GMA Hybrid Welding of Direct Quenched Steel in Lap Joint Configuration - A Preliminary Study
Authors:
Miikka Karhu, VTT Technical Research Centre of Finland; Lappeenranta Finland
Veli Kujanpaa, VTT Technical Research Centre of Finland; Lappeenranta Finland
Kalervo Leino, VTT Technical Research Centre of Finland; -
Jukka Siltanen, Rautaruukki Oyj, Corporate Functions; HaMeenlinna Finland
Presented at ICALEO 2012
Welding experiments using laser-GMA hybrid welding of lap joint between 6.5 mm thick direct quenched Ramor 500 grade protection steel and 2 mm thick Optim 500 ML construction steel plates was carried out. The filler materials used were Union...$28.00
ICALEO 2012 Paper #1502 (Laser-Arc Hybrid Welding of Thick-Section Mild Steel Plates: Microstructure and Performances of the Beads)
Laser-Arc Hybrid Welding of Thick-Section Mild Steel Plates: Microstructure and Performances of the Beads
Authors:
Geng Li, Wuhan National Laboratory for Optoelectronics, Huazhong Univ. of Science and Technology; Wuhan Peoples Republic of China
Ming Gao, Wuhan National Laboratory for Optoelectronics, Huazhong Univ. of Science and Technology; Wuhan Peoples Republic of China
Chen Zhang, Wuhan National Laboratory for Optoelectronics, Huazhong Univ. of Science and Technology; Wuhan Peoples Republic of China
Xiaoyan Zeng, Wuhan National Laboratory for Optoelectronics, Huazhong Univ. of Science and Technology; Wuhan Peoples Republic of China
Presented at ICALEO 2012
...$28.00
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