Surface Hardening of Steels: Understanding the Basics
Surface Hardening of Steels: Understanding the Basics
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发表时间：
2003-02
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通讯作者：
Joseph R. Davis
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作者：
Joseph R. Davis
钢材表面硬化：了解基础知识是一本实用的选择指南，可帮助工程师和技术人员选择最有效的表面硬化技术，以提供一致且可重复的结果。重点关注加工温度、外壳/涂层厚度、粘合强度和获得的硬度水平等特性。比较了各种热化学、热和涂层/表面改性技术的优点和局限性。经济问题以及健康和安全考虑也得到解决。回顾了微观结构与疲劳和磨损性能之间关系的最新进展，以及最近引入的表面硬化工艺，如真空相关技术、激光加工、CVD/PVD 和离子注入。描述了用于质量控制和失效分析的硬度图案和硬度深度的评估方法。本书还回顾了测量和控制渗层深度、残余应力和变形的方法。对具有快速加热和快速冷却（自淬火）特性的工艺进行了冶金比较，例如感应淬火和传统炉淬火。虽然讨论的所有表面工程方法都增强了耐磨性，但化学镀镍、碳化物盐浴沉积和镀铬等一些方法也提供了耐腐蚀和抗氧化性。提供磨损和腐蚀数据来证明每种工艺的优点。内容： 工艺选择指南 气体渗碳 真空和等离子渗碳包和液体渗碳 碳氮共渗 渗氮 氮碳共渗 渗硼（渗硼） 热扩散 (TD) 工艺 通过施加能量进行表面硬化 通过涂层或表面改性进行表面硬化 附录：铁碳相图、硬度换算表、钢的奥氏体化温度指数。
Surface Hardening of Steels: Understanding the Basics is a practical selection guide to help engineers and technicians choose the most efficient surface hardening techniques that offer consistent and repeatable results. Emphasis is placed on characteristics such as processing temperature, case/coating thickness, bond strength, and hardness level obtained. The advantages and limitations of the various thermochemical, thermal, and coating/surface modification technologies are compared. Economic concerns and health and safety considerations are also addressed. Recent developments in the understanding of the relationships between microstructure and fatigue and wear performance are reviewed, as are more recently introduced surface hardening processes such as vacuum-related technologies, laser processing, CVD/PVD, and ion implantation. Methods for evaluating hardness patterns and depths of hardness for quality control and failure analysis are described. The book also reviews methods for measuring and controlling case depth, residual stresses, and distortion. Metallurgical comparisons are made between those processes that offer rapid heating and rapid cooling (self quenching) characteristics for example, induction hardening and conventional furnace hardening. While all of the surface engineering methods discussed enhance wear resistance, some such as electroless nickel plating, carbide salt-bath deposition, and chrome platingualso offer resistance to corrosion and oxidation. Wear and corrosion data are provided to demonstrate the benefits of each process. Contents: Process Selection Guide Gas Carburizing Vacuum and Plasma Carburizing Pack and Liquid Carburizing Carbonitriding Nitriding Nitrocarburizing Boriding (Boronizing) Thermal Diffusion (TD) Process Surface Hardening by Applied Energy Surface Hardening by Coating or Surface Modification Appendices: The Iron-Carbon Phase Diagram, Hardness Conversion Tables, Austenitizing Temperatures for Steels Index.