Microstructure behavior of some cast aluminum alloys as a result of double and multipass laser treatment

Maxim L. Seleznev; Sergei U. Denisov; Ilya B. Afanasiev; Aleksei U. Privivkov

doi:10.1117/12.60182

1 June 1992 Microstructure behavior of some cast aluminum alloys as a result of double and multipass laser treatment

Maxim L. Seleznev, Sergei U. Denisov, Ilya B. Afanasiev, Aleksei U. Privivkov

Proceedings Volume 1627, Solid State Lasers III; (1992) https://doi.org/10.1117/12.60182
Event: OE/LASE '92, 1992, Los Angeles, CA, United States

Abstract

Laser treatment of aluminum alloys usually consists of surface remelting and alloying. Treatment including dissolution process is considered to be practically impossible because of the very short beam/alloy interaction time. It is demonstrated herein that eutectic dissolution in Al-Cu alloys is possible using double or multipass laser treatment. The structure of the heat affected zone (HAZ) was found to consist of fine spheroidized (alpha) + (theta) eutectic surrounded by (alpha) -Al solid solution. The copper concentration in (alpha) -Al profile within the HAZ exhibits maximum. The effect of alloy composition and the number of laser passes on HAZ microstructure, copper concentration profile within the zone, and microhardness was established.

Citation Download Citation

Maxim L. Seleznev, Sergei U. Denisov, Ilya B. Afanasiev, and Aleksei U. Privivkov "Microstructure behavior of some cast aluminum alloys as a result of double and multipass laser treatment", Proc. SPIE 1627, Solid State Lasers III, (1 June 1992); https://doi.org/10.1117/12.60182

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available