Application of Ball Indentation Technique for Mechanical Properties Estimation of Bi-Metallic Weld

Autor: H. K. Khandelwal, Rahul Chhibber, Vivek Bhasin, Kamal Sharma
Rok vydání: 2012
Předmět:
Zdroj: Advanced Materials Research. 585:342-346
ISSN: 1662-8985
DOI: 10.4028/www.scientific.net/amr.585.342
Popis: This work studied the ball indentation test at room temperature to characterize the local tensile properties of bi-metallic weld joints. The weld specimens used were fabricated by joining between SA 508 Gr. 3 ferritic steel and Type 304LN stainless steel with Alloy 82 buttering on the ferritic steel side and Alloy 82/182 weld metal. The test results showed that yield stress (YS) of weld metal was slightly higher than that of Type 304 and smaller than that of SA508 Gr.3, and ultimate tensile stress (UTS) of weld metal was similar as those of Type 304 and SA508 Gr.3 base metals. Also, the values of YS and UTS of buttering layer (Alloy 82) were nearly same as those of weld metal. Heat-affected-zones (HAZs) showed higher YS and UTS values compared to their base metals.
Databáze: OpenAIRE