Microstructural characterization of dissimilar weld joint between ferritic steel and stainless steel

2021 ◽  
pp. 1-13
Author(s):  
K. Karthick ◽  
S. Malarvizhi ◽  
V. Balasubramanian
Keyword(s):  
Stainless Steel ◽  
Weld Joint ◽  
Ferritic Steel ◽  
Microstructural Characterization ◽  
Dissimilar Weld

Microstructural characterization and mechanical behavior of Cr25Ni35NbM alloy dissimilar weld joint for application in a hydrogen reformer furnace

2020 ◽  
Vol 117 (6) ◽  
pp. 612
Author(s):  
Jingfeng Guo ◽  
Wenwen Liu ◽  
Chunxiu Li ◽  
Xiaoming Zhang
Keyword(s):  
Tensile Strength ◽  
Stainless Steel ◽  
High Temperature ◽  
Mechanical Behavior ◽  
Weld Joint ◽  
Room Temperature ◽  
Volume Fraction ◽  
Microstructural Characterization ◽  
Dissimilar Weld ◽  
Weld Joints

The microstructural characterization and mechanical behavior of Cr25Ni35NbM/15CrMo and Cr25Ni35NbM/SUS321 dissimilar weld joints were studied in this paper. The microstructure, room temperature and high temperature (1173 K) tensile strength of dissimilar weld joints were analyzed through optical microscopy (OM), scanning electron microscopy (SEM) and electronic universal tensile testing machine. The microstructure of HAZ in 15CrMo steel of Cr25Ni35NbM/15CrMo dissimilar weld joint transformed from ferrite-pearlite into ferrite-martensite. A large volume fraction of α phase was found to have precipitated in the HAZ of SUS321 austenitic stainless steel for Cr25Ni35NbM/SUS321 dissimilar weld joint. At room temperature, the tensile strength and yield strength of these two type dissimilar weld joints is less than Cr25Ni35NbM alloy similar weld joint. The high temperature tensile strength of these two type dissimilar weld joints is less than Cr25Ni35NbM alloy similar weld joint. Both at room and high temperature, the fracture locations of two types dissimilar weld joints are the HAZ of the base metal 15CrMo and SUS321 stainless steel, respectively. It indicates that the weak part of the Cr25Ni35NbM alloy dissimilar weld joints is the low-performance base metals 15CrMo and SUS321 stainless steel.

Mechanical properties and microstructural characterization of selective laser melted 17-4 PH stainless steel

2017 ◽  
Vol 23 (2) ◽  
pp. 280-294 ◽  
Author(s):  
Mohamad Mahmoudi ◽  
Alaa Elwany ◽  
Aref Yadollahi ◽  
Scott M. Thompson ◽  
Linkan Bian ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Stainless Steel ◽  
Microstructural Characterization

Magnetic and microstructural characterization of cold rolled UNS S31803duplex stainless steel

2017 ◽  
Vol 29 (2) ◽  
pp. 22-27 ◽  
Author(s):  
C.S.P. Mendonça ◽  
V.D. de Oliveira ◽  
V.A.S. Ribeiro ◽  
A.F. Oliveira ◽  
M.R. da Silva ◽  
...  
Keyword(s):  
Stainless Steel ◽  
Microstructural Characterization ◽  
Cold Rolled
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