沉淀强化,即指材料强度在时效温度下随时间而变化的现象,是铝合金和高温合金的主要强化手段,其基本条件是固溶度随温度下降而降低。它是提高材料强度的最有效的办法,是在20世纪初首先在铝合金中发现的。 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。如奥氏体沉淀不锈钢在固溶处理后或经冷加工后,在 400~500℃ 或 700~800℃ 进行沉淀硬化处理,可获得很高的强度
...沉淀强化[gap=1028]ey words: Cu-Ag alloy;in situ filamentary composite;intermediate heat treatment;precipitation strengthening...
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The results indicated emerging M-A constituent in ferrite matrix by increasing heat-input, which reduced low-temperature toughness in Coarse Grain HAZ of Copper Precipitation Strengthening Steel.
结果表明随热输入的增大,在铁素体板条间出现M-A组元,导致铜沉淀强化钢粗晶区低温韧性下降。
参考来源 - 铜沉淀强化钢焊接热影响区韧脆转变行为研究·2,447,543篇论文数据,部分数据来源于NoteExpress
钢中铌的沉淀析出具有沉淀强化和晶粒细化的作用。
And the precipitation of Nb has the effect of precipitation hardening and grain refinement.
理论分析表明:硼对沉淀强化、固溶强化和晶界强化均有贡献。
Theoretical analyses have shown that boron benefits precipitation strengthening, solution strengthening and grain boundary strengthening.
提高V含量使细小弥散的碳化钒在晶内析出,产生明显的沉淀强化效果。
V strengthened welds exhibited higher toughness than that strengthened with C in the same strengthening effect.
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