沉淀硬化是指金属在过饱和固溶体中溶质原子偏聚区和（或）由之脱溶出微粒弥散分布于基体中而导致硬化的一种热处理工艺。
上海热处理网＞＞热处理行业的网上平台＞＞新闻动态 - 含铌沉淀硬化不锈钢的耐蚀性评估 Key words: stainless steel; precipitation hardening; corrosion [gap=171]关键词 ：不锈钢；沉淀硬化；腐蚀
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...淀硬化不锈钢中应用较为广泛的一种，17表示此钢种的Cr元素含量，7则表示Ni元素含量，PH是英文precipitation hardened（沉淀硬化）的缩写。17-7PH是半奥氏体（奥氏体-马氏体）时效强化不锈钢。
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沉淀硬化不锈钢 Precipitation-Hardening Stainless Steel ; PH Stainless Steel
沉淀硬化型不锈钢 PH Stainless Steel ; precipitation hardening steel
沉淀硬化合金 precipitation hardening alloy ; hardened alloy
沉淀硬化处理 Precipitation Harding ; [机] precipitation hardening treatment
沉淀硬化热处理 precipitation hardening heattreatment ; precipitation heat treatment
马氏体沉淀硬化不锈钢 martensitic precipitation-hardening steel ; martensite precipitation hardening stainless steel
沉淀硬化型磁铁 precipitation hardening type magnet
沉淀硬化钢 precipitation-hardening steels ; precipitation hardening steels
沉淀硬化型 P.H ; precipitation-hardening
A kind of new surface precipitation hardening stainless steel (SPHSS) , which has a similar property with PHSS is developed on the surface of iron or plain steel by use of Double Glow Surface Technology.
利用双层辉光离子渗金属技术研制出一种新型的表面沉淀硬化不锈钢。
参考来源 - 表面沉淀硬化不锈钢的研究·2,447,543篇论文数据，部分数据来源于NoteExpress
通过高温抗氧化、盐雾腐蚀和应力腐蚀试验研究了07X16H6沉淀硬化不锈钢在使用状态（回火态）时的耐蚀性能。
The corrosion resistance of 07X16H6 precipitation hardening stainless steel in tempered state was studied using high temperature oxidation, salt-spray test and stress corrosion test.
化石是在50英尺深的石灰岩层里，它形成在大约百万年前由于海水泥沙沉淀物的堆积硬化。
The fossils were found in a seam of limestone that was 50 feet thick and was created when ocean sediments solidified millions of years ago.
研究发现，钛含量增加，使钢中获得细小沉淀物的弥散分布，细化晶粒，增强时效硬化，从而提高该钢的抗拉强度。
The results showed that as the content of Ti increasing , fine precipitates distribute dipersely, grain fine and age - hardening enhanced in the steel, so tensile strength in this steel is improved.
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