Integrated Manufacturing of Fine-Grained Stainless Steels for Industries and Medicals

Engineering Steels and High Entropy-Alloys Pub Date : 2019-11-14 DOI:10.5772/intechopen.89754

T. Aizawa, T. Shiratori, T. Komatsu

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引用次数: 7

Abstract

Austenitic stainless steels have been widely utilized in industries, infrastruc-tures, housing structures, kitchen components, and medical tools. Higher hardness and strength as well as more improvement of wear and corrosion toughness are often required in the industrial and medical applications. Fine-grained stainless steel (FGSS) provides a solution to increase the strength without loss of ductility and toughness. Deeper research and development in manufacturing of FGSS is required to make full use of its properties toward its applications in industries and medicals. First, its mechanical properties and microstructure is introduced as a basic knowledge of FGSS with comparison to the normal stainless steels. Mechanical and laser machinability of FGSS is stated and discussed to finish the products in seconds. Its performance in metal forming and diffusion bonding is explained to explore its applications in third. Its surface treatment and tooling is discussed to describe the grain-size effect on the low temperature plasma nitriding and to demonstrate its effectiveness in die-making in forth. Finally, every aspect in manufacturing of FGSS sheets and solids is summarized as a conclusion.

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工业和医疗用细晶不锈钢的集成制造

奥氏体不锈钢广泛应用于工业、基础设施、房屋结构、厨房部件和医疗工具。在工业和医疗应用中，通常需要更高的硬度和强度以及更多的磨损和腐蚀韧性的改进。细晶不锈钢(FGSS)提供了在不损失延展性和韧性的情况下增加强度的解决方案。为了充分利用其在工业和医疗领域的应用，需要对FGSS的制造进行更深入的研究和开发。首先，介绍了FGSS的力学性能和微观结构，并与普通不锈钢进行了比较。论述了FGSS的机械加工性和激光加工性，以实现秒加工。第三章阐述了其在金属成形和扩散连接中的性能，探讨了其应用。讨论了低温等离子体渗氮的表面处理和加工工艺，描述了晶粒尺寸对低温等离子体渗氮的影响，并论证了低温等离子体渗氮在模具制造中的有效性。最后，总结了FGSS薄板和固体制造的各个方面，作为结论。

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Engineering Steels and High Entropy-Alloys

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