在高纯铝中分别添加不同量的铝铈合金细化剂，考察了其铸态显微组织、力学性能的变化规律。
The high-purity aluminum was modified with different amount of Al-Ce grain refiners and the microstructures and mechanical properties of the modified aluminum were investigated.
实验结果表明，热处理能改善铸态下制得的铝硅基复合材料显微组织形态。
The results have shown that heat treatment can improve the microstructure of the Al-Si base composite manufactured under case condition.
用金相显微镜和SEM观察了试样铸态微观组织形态，测定了奥氏体晶粒尺寸以及奥氏体晶粒内马氏体板条束个数和马氏体板条间距。
Then the morphology was observed by optical microscope and SEM. The grain size of austenite, the number of martensite in austenite grains and the spacing of the lath martensite were measured.
通过有限元模拟改进了原炉排制造工艺，对新工艺制造的炉排件进行取样并分析了铸态和热处理前后的显微组织和力学性能。
A new production process was developed through finite element simulation. The microstructure and mechanical properties of grates at both heat treatment and as-cast condition were analyzed.
搅拌区细晶组织的显微硬度及抗拉强度相比于铸态母材有所提高，而伸长率显著提高。
The microhardness and tensile strength of stir zone increase compared with the base material, and the elongation increases significantly due to its fine and uniform microstructure of the specimen.
利用X-射线衍射仪、光学显微镜、扫描电子显微镜和拉伸试验研究了铸态合金和轧制态合金的组织和力学性能。
The microstructure and mechanical properties of the as-cast and hot-rolled samples were investigated by optical microscope, X-ray diffraction, scanning electron microscope and tensile test.
添加稀土元素之后 ，镁铝锌合金的铸态组织得到细化 ，并在显微组织中形成铝的稀土相 ；
The whole as cast microstructures of the alloy were refined and RE containing Al phase was formed with RE addition. The ageing peak value was slightly raised.
结果表明，试棒中出现残余铸态组织、集中夹杂物和显微缩松等缺陷是造成这两类力学性能不合格的原因。
These factors resulted that two kind of ZG230-450 specimen which mechanical property is ineligible. The prevention method were also proposed to avoid similar events.
结果表明，试棒中出现残余铸态组织、集中夹杂物和显微缩松等缺陷是造成这两类力学性能不合格的原因。
These factors resulted that two kind of ZG230-450 specimen which mechanical property is ineligible. The prevention method were also proposed to avoid similar events.
应用推荐