通过原位感应后加热提高异种钢 A-TIG 焊点的机械性能

IF 1.9 Q3 ENGINEERING, MANUFACTURING
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引用次数: 0

摘要

本文提出了一种通过 "感应后加热 A-TIG 焊接(A-TIG(I) 焊接)"提高异种马氏体钢-奥氏体不锈钢接头机械性能(延展性和冲击韧性)的方法。A-TIG(I) 焊接通过降低冷却速度(从 9.83°C/s 降至 0.8°C/s),减少了马氏体的形成,促进了焊接区(WZ)内铁素体的形成。微观结构的转变提高了延展性(44.9%),而强度(665.75 兆帕)没有明显下降。此外,还获得了与 WZ 不相匹配的冲击韧性(103 ± 2)J。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Enhancing mechanical properties of dissimilar steel A-TIG weld joint by in-situ induction post-heating
An approach is proposed to enhance the mechanical properties (ductility and impact toughness) of dissimilar martensitic steel-austenitic stainless steel joint by ‘A-TIG welding with induction post-heating (A-TIG(I) welding)’. The A-TIG(I) welding mitigates the martensite formation and promotes the ferrite formation within the weld zone (WZ) by retarding the cooling rate (from 9.83 °C/s to 0.8 °C/s). Microstructural transformations enabled in achieving the improved ductility (44.9 %) without significant loss of strength (665.75 MPa). Overmatched impact toughness (103 ± 2) J of WZ was also obtained.
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来源期刊
Manufacturing Letters
Manufacturing Letters Engineering-Industrial and Manufacturing Engineering
CiteScore
4.20
自引率
5.10%
发文量
192
审稿时长
60 days
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