查询词典 precipitation hardening

Results show that the peak precipitation hardening ap- pears at 700℃ for V-4Cr-4Ti while at 600℃ for the others.

结果表明，在1h等时退火过程中，V-4Cr-4Ti的峰值沉淀强化温度出现在700℃，而其他两种合金出现在600℃。

The corrosion resistance of 0Cr17Ni4Cu4Nb martensite precipitation hardening stainless steel used as high strength output shaft in artificial seawater was studied in this paper.

本文研究了用于制作高强度输出轴的材料0Cr17Ni4Cu4Nb马氏体沉淀硬化不锈钢在人工海水中的耐腐蚀性能。

Along with the course of precipitations its morphology changed and the mechanical properties of AZ91HP were also changed and shown obvious precipitation hardening.

伴随着β-Al12Mg17相的析出与形态转变过程，AZ91HP性能也随之变化，显示了明显的时效硬化特征。

Phase Al9FeNi and Al7Cu4Ni are found in the grain boundaries, which acts on precipitation hardening in aging process.

通过检测发现镍在该合金中除中和铁生成Al9FeNi相外，还生成了强化相Al7Cu4Ni，在时效近程中起沉淀硬化作用。

A pressurised pre-stressing produced thus in the heating coating can be selectively increased by means of precipitation hardening of the base body.

这种情况下在加热涂层内产生的预压应力通过基体的沉淀硬化有目的地得到加强。

Solution annealing of precipitation hardening cast and wrought alloys produces a soft microstructure suitable for machining to close tolerances.

对于沉淀硬化合金铸件及锻件的固溶退火能产生较软的显微结构，更适于精密公差的机加工。

Control of δ-Ferrite Content in Precipitation Hardening Stainless Steel 17-4PH

研究了17－4PH沉淀硬化不锈钢中δ－铁素体的形成因素、形态特征和化学成分配比，得出最佳成分为：C0。

For example, the solution treatment makes plastic forming processing and welding more easily, control phase transformation together with precipitation hardening processing may obtain high strength.

如固溶处理可以获得好的工艺性能，易于塑性成形加工和焊接；控制相变与沉淀硬化处理可以获得好的使用性能，具有高强度。

These products made from copper and copper alloys may be heat treated for several purposes such as homogenizing, annealing, stress relieving and precipitation hardening.

这些产品是由铜及铜合金，可热处理几个用途，如均匀，退火，应力和沉淀硬化。

Keywords: Al-Li based alloy; Electronic structure; Precipitation hardening

中文关键词：铝锂基合金；价电子结构；沉淀强化

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。