JPS5666394A - Laser welding method of different kind of materials - Google Patents

Laser welding method of different kind of materials

Info

Publication number
JPS5666394A
JPS5666394A JP14202379A JP14202379A JPS5666394A JP S5666394 A JPS5666394 A JP S5666394A JP 14202379 A JP14202379 A JP 14202379A JP 14202379 A JP14202379 A JP 14202379A JP S5666394 A JPS5666394 A JP S5666394A
Authority
JP
Japan
Prior art keywords
laser beam
power density
laser welding
limit power
radiated
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP14202379A
Other languages
Japanese (ja)
Inventor
Shuichi Ishida
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP14202379A priority Critical patent/JPS5666394A/en
Publication of JPS5666394A publication Critical patent/JPS5666394A/en
Pending legal-status Critical Current

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  • Laser Beam Processing (AREA)

Abstract

PURPOSE:To obtain a good efficiency in the laser welding, by obtaining the value of a melting limit power density of each material from a specific formula by interpolating the factors of each material to be radiated by laser beam and the factors of laser beam in it and arranging material having lower melting limit power density to the side being radiated by laser beam. CONSTITUTION:When the laser welding is processed by radiating the pulsating laser beam on one side of a composite material being lapped over each other with different material, the value of the melting limit power density P of each material can be obtained from a specific formula by interpolating such factors as heat conductivity K, heat diffusion rate K, reflection index R to laser beam and melting point Tm of each material and pulse duration (t) and spot radius (a) of laser beam in it. It is possible to obtain a good efficiency in the laser welding by arranging such material found as having a lower melting limit power density from the formula to the side radiated by laser beam.
JP14202379A 1979-11-05 1979-11-05 Laser welding method of different kind of materials Pending JPS5666394A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14202379A JPS5666394A (en) 1979-11-05 1979-11-05 Laser welding method of different kind of materials

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14202379A JPS5666394A (en) 1979-11-05 1979-11-05 Laser welding method of different kind of materials

Publications (1)

Publication Number Publication Date
JPS5666394A true JPS5666394A (en) 1981-06-04

Family

ID=15305561

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14202379A Pending JPS5666394A (en) 1979-11-05 1979-11-05 Laser welding method of different kind of materials

Country Status (1)

Country Link
JP (1) JPS5666394A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7592566B2 (en) * 2001-12-28 2009-09-22 Abb S.P.A. Method for welding contact plates and contact elements obtained with the method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7592566B2 (en) * 2001-12-28 2009-09-22 Abb S.P.A. Method for welding contact plates and contact elements obtained with the method

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