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|Title:||Effects of welding on mechanical and microstructural characteristics of high-strength low-alloy steel joints|
|Journal:||IOP Conference Series: Materials Science and Engineering|
|Abstract:||© 2018 Institute of Physics Publishing. All rights reserved. In this paper effects of welding on mechanical and microstructural characteristics of high-strength low-alloy steel joints is presented. Testing was done at models prepared with V-groove butt joints that are done by two different welding processes. Considered welding processes were done by MMA or MIG for root pass and MAG for other passes with related consumables. Experimentally determined basic mechanical characteristics were put in correlation to relate ones that were numerically calculated. The experimentally obtained yield strength and tensile strength showed that welding process MMA/MAG provide better mechanical properties then MIG/MAG. It is implicated that selection of welding process at high-strength low-alloy steels is multi criterion analysis. If only proper welding is obtained, applications of high-strength low-alloy steel are adequate. Those applications caused specific problems related to its specific characteristics and properties especially weldability. As welding processes can be analysed from different aspects, selection of specific welding process at high-strength low-alloy steel are more complex.|
|Appears in Collections:||Faculty of Engineering, Kragujevac|
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|10.1088-1757-899X-393-1-012020.pdf||908.61 kB||Adobe PDF|
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