Joining of duplex stainless steel through selective microwave hybrid heating technique without using filler material

被引：28

作者：

Kumar, Virinder ^{[1
]}

Sehgal, Shankar ^{[1
]}

机构：

[1] Panjab Univ, Dept Mech Engn, UIET, Chandigarh 160014, India

来源：

MATERIALS TODAY-PROCEEDINGS | 2020年 / 28卷

关键词：

Microwave hybrid heating; Joining; Duplex stainless steel; Joints; Hardness; ALLOY; JOINTS; POWDER;

D O I：

10.1016/j.matpr.2020.04.509

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the feasibility of joining duplex stainless steel (SS2205) through a novel microwave joining technique has been investigated. Specimens of cross-section 3.5 mm x 5 mm were selected for butt joining purpose, completed by each half of SS2205 and SS2205. Experiments were carried out in a microwave applicator at 2.45 GHz frequency and 900 W. Duplex stainless steel specimens have been successfully joined through selective microwave hybrid heating technique at 300 s of exposure time. The vertical cavity-type feeder was used to feed charcoal in order to concentrate the heating effect around the joining region. Charcoal powder was used as a susceptor to initiate as well as accelerate the heating process. Optimum process time for joining of SS2205-SS2205 has been found by the trial method, using a constant gap of 30 s between successive trials. The joints have been characterized mechanically through the micro-hardness test. Hardness tests validate a proportional increase in hardness from heat affected zone to the joining region for all manufactured joints. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页码：1314 / 1318

页数：5

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