Laser surface alloying of SUS316 stainless steel with Al-Si (Effect of substrate temperature on structure and properties of modified layer)

Sergey Zherebtsov, Katsuhiro Maekawa, Terutake Hayashi, Masatoshi Futakawa

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

The effect of varying temperature of the type 316 stainless steel substrate on the structure and properties of laser alloyed layer was investigated. The material for alloying (Al-Si powder mixture) was placed on the surface of stainless steel substrate by pasting. The surface was scanned by a pulsed Nd: YAG laser beam to achieve surface alloying. The temperature of substrate continuously increased during laser treatment to about 830°C. The microstructure, chemical and phase composition and microhardness of the modified layer were studied then. It has been found that four different types of structure were formed in the alloyed zone depending on the temperature of the substrate. These structures differ from each other in phase composition, microhardness and relation to cracking. Based on the results, optimal parameters for the production of a uniform, crack-free layer with a high hardness were developed.

Original languageEnglish
Pages (from-to)292-298
Number of pages7
JournalJSME International Journal, Series A: Solid Mechanics and Material Engineering
Volume48
Issue number4
DOIs
Publication statusPublished - Apr 15 2006

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Stainless Steel
Alloying
Stainless steel
Lasers
Substrates
Phase composition
Microhardness
Temperature
Powders
Laser beams
Hardness
Cracks
Microstructure

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanical Engineering

Cite this

Laser surface alloying of SUS316 stainless steel with Al-Si (Effect of substrate temperature on structure and properties of modified layer). / Zherebtsov, Sergey; Maekawa, Katsuhiro; Hayashi, Terutake; Futakawa, Masatoshi.

In: JSME International Journal, Series A: Solid Mechanics and Material Engineering, Vol. 48, No. 4, 15.04.2006, p. 292-298.

Research output: Contribution to journalArticle

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