Investigation of mechanical and microstructure properties of metal inert gas based wire arc additive manufactured Inconel 600 superalloy

IF 0.7 4区材料科学 Q4 METALLURGY & METALLURGICAL ENGINEERING

International Journal of Materials Research Pub Date : 2023-10-01 DOI:10.1515/ijmr-2022-0350

Harish T. Mani, Jerome Savarimuthu, Sathwic R. Varma, Muraleekrishnan B. Muraleedharan, Nibin K. Suni, Yadhukrishna Nandakumar

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引用次数: 0

Abstract

Abstract This work aims to fabricate the functionally graded Inconel 600 on stainless steel 304 block using the wire arc additive manufacturing process. The main goal of this study was to additively create a built block with Inconel 600 filler wire. Inconel 600 is a very interesting material because of its resistance to non-magnetic, corrosive media, stress corrosion cracking due to chlorine ions is non-existent, outstanding mechanical properties, good weldability and high strength under a variety of temperature conditions. Inconel 600 alloy was studied in this work utilizing metal inert gas based wire arc additive manufacturing. Torch travel speed 5 mm s −1 and current 140 A. The bottom, middle and top layers of the newly developed fabricated block were mechanically and metallurgically characterized. The microstructure and texture evolution were characterized by means of optical microscopy, and scanning electron microscopy with energy dispersive X-ray spectroscopy. Mechanical characterization was done using the Vickers hardness test and tensile testing. Results reveal that the wire arc additively manufactured top portion has a crystalline structure showing better strength and hardness. The average hardness value was found to be 197.97 HV, the average ultimate tensile strength obtained was 616.22 MPa for the fabricated component.

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金属惰性气体基电弧添加剂制备Inconel 600高温合金的力学性能和显微组织性能研究

摘要本研究旨在利用电弧增材制造技术在304不锈钢块上制备功能分级的Inconel 600。本研究的主要目标是用Inconel 600填充线添加创建一个构建块。Inconel 600是一种非常有趣的材料，因为它具有抗非磁性，腐蚀性介质，不存在氯离子引起的应力腐蚀开裂，突出的机械性能，良好的可焊性和各种温度条件下的高强度。采用金属惰性气体电弧增材制造技术研究了英科乃尔600合金。火炬行进速度5mms−1，电流140a。对新开发的预制块的底层、中层和顶层进行了机械和冶金表征。利用光学显微镜、扫描电镜和x射线能谱仪对其微观组织和织构演变进行了表征。采用维氏硬度试验和拉伸试验进行了力学性能表征。结果表明，增材制造的丝弧顶部呈结晶结构，具有较好的强度和硬度。平均硬度值为197.97 HV，平均抗拉强度为616.22 MPa。

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来源期刊

International Journal of Materials Research 工程技术-冶金工程

CiteScore

1.30

自引率

12.50%

发文量

119

审稿时长

6.4 months

期刊介绍： The International Journal of Materials Research (IJMR) publishes original high quality experimental and theoretical papers and reviews on basic and applied research in the field of materials science and engineering, with focus on synthesis, processing, constitution, and properties of all classes of materials. Particular emphasis is placed on microstructural design, phase relations, computational thermodynamics, and kinetics at the nano to macro scale. Contributions may also focus on progress in advanced characterization techniques. All articles are subject to thorough, independent peer review.