Microstructure, Mechanical, and Corrosion Properties of 304 Stainless Steel-H13 Tool Steel Composite Cold Spray Coatings

IF 3.2 3区材料科学 Q2 MATERIALS SCIENCE, COATINGS & FILMS

Journal of Thermal Spray Technology Pub Date : 2024-03-04 DOI:10.1007/s11666-024-01746-y

Kole C. Vollmer, Kyle Johnson, Matthew Dondelinger, Bharat K. Jasthi

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Abstract

The main objective of this work is to investigate the microstructure, mechanical and corrosion properties of 304 stainless steel-H13 composites produced using high pressure cold spray process. 304 stainless steel powders with varying amount of H13 tool steel powders (0, 25, 50 and 75 wt.%) were pre-mixed and cold spray deposited using nitrogen process gas to produce metal-metal composites. H13 tool steel addition improved plastic deformation, reduced porosity, increased microhardness, and tensile properties of 304 cold spray coatings. The tensile properties increased with the increase in H13 tool steel content and with post deposition heat treatment. Post deposition heat treatment at 900 °C significantly improved the tensile strengths and ductility of the composite coatings. However, the wear rate and corrosion susceptibility increased with the tool steel addition in the as-deposited condition, but improved when heat treated to 900 °C. The overall results suggest that the addition of H13 in 304 cold sprayed coatings deposited with nitrogen process gas could be used as a cheaper alternative to helium as well as improve both the microstructure and mechanical properties over pure 304 cold spray coatings.

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304 不锈钢-H13 工具钢复合冷喷涂层的微观结构、机械和腐蚀特性

摘要这项工作的主要目的是研究使用高压冷喷工艺生产的 304 不锈钢-H13 复合材料的微观结构、机械性能和腐蚀性能。将 304 不锈钢粉末与不同含量的 H13 工具钢粉末（0、25、50 和 75 wt.%）进行预混合，并使用氮气工艺气体进行冷喷沉积，生产出金属-金属复合材料。H13 工具钢的加入改善了 304 冷喷涂层的塑性变形、降低了孔隙率、提高了显微硬度和拉伸性能。拉伸性能随着 H13 工具钢含量的增加和沉积后热处理的进行而提高。900 °C 的沉积后热处理显著提高了复合涂层的拉伸强度和延展性。然而，在沉积状态下，磨损率和腐蚀敏感性随工具钢添加量的增加而增加，但在 900 ℃ 热处理时则有所改善。总体结果表明，在使用氮气工艺气体沉积的 304 冷喷涂层中添加 H13 可作为氦气的廉价替代品，而且与纯 304 冷喷涂层相比，还能改善微观结构和机械性能。

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来源期刊

Journal of Thermal Spray Technology 工程技术-材料科学：膜

CiteScore

5.20

自引率

25.80%

发文量

198

审稿时长

2.6 months

期刊介绍： From the scientific to the practical, stay on top of advances in this fast-growing coating technology with ASM International''s Journal of Thermal Spray Technology. Critically reviewed scientific papers and engineering articles combine the best of new research with the latest applications and problem solving. A service of the ASM Thermal Spray Society (TSS), the Journal of Thermal Spray Technology covers all fundamental and practical aspects of thermal spray science, including processes, feedstock manufacture, and testing and characterization. The journal contains worldwide coverage of the latest research, products, equipment and process developments, and includes technical note case studies from real-time applications and in-depth topical reviews.