M. C. Flemings, R. Mehrabian (auth.), John J. Burke, Robert's Advances in Metal Processing PDF

By M. C. Flemings, R. Mehrabian (auth.), John J. Burke, Robert Mehrabian, Volker Weiss (eds.)

ISBN-10: 1461583004

ISBN-13: 9781461583004

ISBN-10: 1461583020

ISBN-13: 9781461583028

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T. , p. 205. 11. S. C. Hsu, S. Chakravorty and R. Mehrabian, Met. 'Trans. B, 1978, Vol. 9B, p. 221. 12. S. C. Hsu, S. Kou and R. Mehrabian, submitted for publication to Met. Trans. ACKNOWLEDGEMENT This research is being sponsored by the Defense Advanced Research Projects Agency and monitored by the Office of Naval Research under contract # N00014-78-C-0275. Technical monitor of the contract is Dr. B. A. MacDonald. LASER PROCESSING OF MATERIALS B. H. Kear, E. M. Breinan, & E. R. Thompson United Technologies Research Center East Hartford, Connecticut 06108 ABSTRACT This paper presents an overview of developments, old and new, in the technology of laser processing of materials including transformation hardening and surface alloying, welding, cutting, drilling, rapid solidification processing, pulse annealing, shock hardening, laser assisted machining, and laser controlled surface reactions.

_......... L~~ Fig. 4 Schematic of deep-penetration laser welding. SINGLE PASS QUAL PASS 1. 54 CM/ SEC EACH PASS 1. 32 cm 1. 32 cm Fig. 5 Laser welds in X-80 Alloy. 51 LASER PROCESSING OF MATERIALS Fig. 6 A. CENTER OF WELD 200 Il m C. HEAT EFFECTED ZONE 20 Il m B. CENTER OF WELD D. BASE METAL 20)l m 20 )lm Microstructures of laser welded X-BO illustrating fusion zone purification. being cut, exothermic reactions involving the melt and constituents in the gas jet can be exploited to reduce the laser energy needed for cutting.

ACKNOWLEDGEMENT This research is being sponsored by the Defense Advanced Research Projects Agency and monitored by the Office of Naval Research under contract # N00014-78-C-0275. Technical monitor of the contract is Dr. B. A. MacDonald. LASER PROCESSING OF MATERIALS B. H. Kear, E. M. Breinan, & E. R. Thompson United Technologies Research Center East Hartford, Connecticut 06108 ABSTRACT This paper presents an overview of developments, old and new, in the technology of laser processing of materials including transformation hardening and surface alloying, welding, cutting, drilling, rapid solidification processing, pulse annealing, shock hardening, laser assisted machining, and laser controlled surface reactions.

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Advances in Metal Processing by M. C. Flemings, R. Mehrabian (auth.), John J. Burke, Robert Mehrabian, Volker Weiss (eds.)


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