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Development of safe optimized welding procedures for high strength Q&T steel welded with austenitic consumables

Content Provider	Scilit
Author	Kuzmikova, Lenka Li, Huijun Norrish, John Pan, Zengxi Larkin, Nathan
Copyright Year	2013
Description	High strength quenched and tempered (Q&T) steels offer obvious economic benefits originating from their advantageous strength to price and weight ratios. These steels are usually welded using ferritic consumables and for this combination the risk of hydrogen assisted cold cracking (HACC) is high. The use of austenitic stainless steel (ASS) consumables has great potential to significantly improve this issue. Yet, there are no guidelines for determination of safe level of preheat for welding ferritic steels with ASS consumables. For this reason manufacturers adopt this parameter from procedures developed for conventional ferritic consumables thus significantly limiting the benefits ASS consumables are capable to deliver. Productivity could be further enhanced by identifying the upper interpass temperature threshold, thus reducing the stand-off times. Aim of this work is to develop safe highly optimised procedures for welding of high strength Q&T steel with ASS consumable.
Related Links	http://www.scielo.br/pdf/si/v18n2/v18n2a10.pdf http://www.scielo.br/scielo.php?script=sci_pdf&pid=S0104-92242013000200010&lng=en&nrm=iso&tlng=en
Ending Page	175
Page Count	7
Starting Page	169
ISSN	01049224
e-ISSN	19806973
DOI	10.1590/s0104-92242013000200010
Journal	Soldagem & Inspeção
Issue Number	2
Volume Number	18
Language	English
Publisher	FapUNIFESP (SciELO)
Publisher Date	2013-06-01
Access Restriction	Open
Subject Keyword	Soldagem & Inspeção Automotive Engineering
Content Type	Text
Resource Type	Article
Subject	Mechanics of Materials Metals and Alloys Mechanical Engineering

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