Volume 5, Issue 3 (Summer 2008 2008)
IJMSE 2008, 5(3): 8-18 |
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H. Naffakh,, M. Shamanian, F. Ashrafizadeh. AN EVALUATION OF THERMAL STABILITY IN DISSIMILAR WELDS BETWEEN 310 STAINLESS STEEL AND ALLOY 657. IJMSE 2008; 5 (3) :8-18
URL: http://ijmse.iust.ac.ir/article-1-139-en.html
URL: http://ijmse.iust.ac.ir/article-1-139-en.html
Abstract: (33177 Views)
Abstract: The investigation is carried out to characterize welding of AISI 310 austenitic stainless
steel to Inconel 657 nickel-chromium superalloy. The welds were produced using four types of
filler materials: the nickel-based corresponding to Inconel 82, Inconel A, Inconel 617 and
austenitic stainless steel 310. This paper describes the effects of aging treatment on the joint. The
comparative evaluation was based on microstructural features and estimation of mechanical
properties. While Inconel A exhibited highest thermal stability and mechanical properties
(hardness and ultimate strength), Inconel 82 weld metal also showed good thermal stability and
mechanical properties. On the other hand, welds produced with Inconel 617 and 310 SS filler
materials showed weak thermal stability and failed in the weld metals. It is therefore concluded
that for the joint between Inconel 657 and 310 stainless steel, Inconel A and Inconel 82 filler
materials offered the best compromises, respectively.
Type of Study: Research Paper |
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