Corrosion behavior of SiC and FeCrC reinforced AISI 304 components fabricated by plasma wire arc additive manufacturing (P-WAAM)

IF 1.9 3区工程技术 Q3 ENGINEERING, MANUFACTURING

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture Pub Date : 2023-10-18 DOI:10.1177/09544054231205120

İsmail Bayar, Mustafa Özgür Öteyaka, Ersin Çakir, Mustafa Ulutan

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引用次数: 0

Abstract

Wire arc additive manufacturing (WAAM) has recently been widely used to produce different materials. The present study fabricated AISI 304 stainless steel parts using the Plasma-WAAM (P-WAAM) method. FeCrC and SiC microparticles were added to enhance the corrosion properties of additive-manufactured (AM) AISI 304. The corrosion behaviors of the samples were studied in the 3.5 wt.% NaCl solution using electrochemical techniques. The results show that additively manufactured AISI 304 sample microstructure consisted of austenitic and δ-ferrite phases in the form of lathy and skeletal. The electrochemical results showed that the 304-WAAM sample open circuit potential (Eocp) was −180 mV and slightly more cathodic than the 304-NT sample. The Eocp decreased by 69 and 145 mV in the 304-FeCr and 304-SiC samples, respectively, compared to the 304-WAAM sample. The polarization resistance of the WAAM sample was triple compared to the reinforced with microparticles WAAM sample due to lower galvanic activity. In addition, the corrosion resistance was investigated by impedance technique, and it was found that the WAAM 304 without reinforcement had a better protective film with a larger semi-circle capacitive loop.

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等离子丝弧增材制造(P-WAAM) SiC和FeCrC增强AISI 304构件的腐蚀行为

电弧增材制造(WAAM)近年来被广泛应用于各种材料的生产。本研究采用等离子体- waam (P-WAAM)法制备了AISI 304不锈钢零件。在增材制造(AM) AISI 304中加入FeCrC和SiC微粒，提高其耐腐蚀性能。采用电化学技术研究了样品在3.5% wt.% NaCl溶液中的腐蚀行为。结果表明:增材制造的AISI 304试样显微组织由奥氏体相和δ铁素体相组成，呈条状和骨架状;电化学结果表明，304-WAAM样品的开路电位(eocp)为−180 mV，阴极电位略高于304-NT样品。与304-WAAM相比，304-FeCr和304-SiC样品的E - ocp分别降低了69和145 mV。由于电活性较低，其极化电阻是微颗粒增强WAAM样品的三倍。此外，采用阻抗法对其耐腐蚀性能进行了研究，发现未加筋的WAAM 304具有更好的保护膜和更大的半圆电容回路。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 工程技术-工程：机械

CiteScore

5.10

自引率

30.80%

发文量

167

审稿时长

5.1 months

期刊介绍： Manufacturing industries throughout the world are changing very rapidly. New concepts and methods are being developed and exploited to enable efficient and effective manufacturing. Existing manufacturing processes are being improved to meet the requirements of lean and agile manufacturing. The aim of the Journal of Engineering Manufacture is to provide a focus for these developments in engineering manufacture by publishing original papers and review papers covering technological and scientific research, developments and management implementation in manufacturing. This journal is also peer reviewed. Contributions are welcomed in the broad areas of manufacturing processes, manufacturing technology and factory automation, digital manufacturing, design and manufacturing systems including management relevant to engineering manufacture. Of particular interest at the present time would be papers concerned with digital manufacturing, metrology enabled manufacturing, smart factory, additive manufacturing and composites as well as specialist manufacturing fields like nanotechnology, sustainable & clean manufacturing and bio-manufacturing. Articles may be Research Papers, Reviews, Technical Notes, or Short Communications.