Atmospheric precipitation

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。

4 Ph stainless steel -- Is a martensitic precipitation /age hardening stainless steel offering high strength and hardness.

17.4PH不锈钢--是一种经过沉降凝结；老化硬化处理的马氏体不锈钢，具有很高的硬度。

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。

Both solution hardening and precipitation hardening occurred during the aging process.

结果表明：经时效处理后，由于Ti11Ni14 沉淀相的引入，而产生显著的固溶硬化和沉淀硬化效应。

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。

An in-situ precipitation hardening effect was also found to be partially responsible for the cyclic hardening in Condition A at 400oC.

其中即时的析出强化效应亦是造成Condition A於400oC下循环硬化的原因之一。

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。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"