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引用次数: 152

摘要

工具钢的耐磨性、硬度和耐久性在很大程度上是由铬、钼、钨和钒等碳化物形成合金的存在来决定的。介绍各种工具钢的合金化原理,包括高速工具钢、水淬工具钢、耐冲击工具钢、冷热工具钢。讨论了合金设计对凝固、热处理和硬化过程中组织和性能演变的影响。它还描述了临界相变以及分配、沉淀、偏析和残余奥氏体的影响。
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Tool Steels
Tools steels are defined by their wear resistance, hardness, and durability which, in large part, is achieve by the presence of carbide-forming alloys such as chromium, molybdenum, tungsten, and vanadium. This chapter describes the alloying principles employed in various tool steels, including high-speed, water-hardening, shock-resistant, and hot and cold work tool steels. It discusses the influence of alloy design on the evolution of microstructure and properties during solidification, heat treating, and hardening operations. It also describes critical phase transformations and the effects of partitioning, precipitation, segregation, and retained austenite.
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