ICALEO 2012 Paper #1709 (Formation Mechanism of Process Instabilities and Strategies to Improve Welding Quality)
Formation Mechanism of Process Instabilities and Strategies to Improve Welding Quality
Authors:
Volker Rominger, TRUMPF Laser- und Systemtechnik GmbH; Ditzingen Germany
Thomas Harrer, TRUMPF Laser- und Systemtechnik GmbH; Ditzingen Germany
Steffen Keler, TRUMPF Werkzeugmaschinen GmbH & Co. KG; -
Holger Braun, TRUMPF Werkzeugmaschinen GmbH & Co. KG; -
Friedhelm Dorsch, TRUMPF Werkzeugmaschinen GmbH & Co. KG; -
Felix Abt, Institute fuer Strahlwerkzeuge (IFSW); -
Michael Jarwitz, Institute fuer Strahlwerkzeuge (IFSW); -
Andreas Heider, Institute fuer Strahlwerkzeuge (IFSW); 0
Rudolf Weber, Institute...$28.00
ICALEO 2012 Paper #1708 (Influence of Surface Condition in Fiber Laser Welding of Pure Copper)
Influence of Surface Condition in Fiber Laser Welding of Pure Copper
Authors:
Hui-Chi Chen, Singapore Institute of Manufacturing Technology; Singapore Singapore
Guijun Bi, Singapore Institute of Manufacturing Technology; Singapore Singapore
Mui Ling Sharon Nai, Singapore Institute of Manufacturing Technology; Singapore Singapore
Jun Wei, Singapore Institute of Manufacturing Technology; Singapore Singapore
Presented at ICALEO 2012
In industry, pure copper is widely used in the applications requiring high electrical conductivity, rapid conduction of heat across or along a metal section as well as good corrosion resistance in fresh and salt water. So far, one...$28.00
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
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