合金的

The variation of ignition temperature caused by the addition of RE and Ca is discussed, the micro structure of the alloys is observed, and the ignition point is tested.

研究了加入混合轻稀土和Ca对AZ91D镁合金起燃温度的影响，观察了镁合金的金相组织，测试了各合金试样的起燃点，并进行了总结与比较。

The mechanics and effect of nano-aditives on W-Ni-Cu alloy characteristics were studied. By means of SEM and metallography analysis technology, the alloy structure and morphology were observed,and physical and mechanical properties of the samples were measured.

摘 要：研究了纳米添加剂对W-Ni-Cu合金性能的影响和作用机理；用扫描电镜和金相显微分析技术研究了合金的形貌与结构；测量了合金试样的物理力学性能。

The growth process of nanocrystalline copper particles into single crystals, induced by electron irradiation, has been observed by TEM, and Kikuchi lines exist in its electron diffiaction microphotograph, indicating that the thickness of the single crystal formed by electron irradiation is more than 100nm.

用γ射线辐照法成功地制备出Ag-Cu及Au-Cu合金粉末。通过改变实验条件如调节溶液中金属离子的浓度比则可控制所制备合金的组成。因此，发展γ射线辐照法制备合金粉末具有重要的应用价值。

The results showed the specimens by vacuum sintering had a typical Widmannstatten microstructure, which possessed coarser prior β-grains and secondary platelet α+β-phase, but the alloy had a more microporosity and a lower tensile strength and ductility. After HIP treatment, prior β-grains and secondary platelet α+β-phase became fine and uniform, and the alloy possessed a less microporosity and a higher tensile strength and ductility.

结果表明：真空烧结Ti-6Al-4V合金具有典型的魏氏体组织，其初始的β晶粒粗大，β晶粒内为次生片状α和薄β相片，空隙较多，合金的强度和塑性较低；合金经热等静压处理后，组织明显细化且均匀，空隙很少或几乎没有，从而强度和塑性都有所提高。

The development includes the new theory of composition design of high permeability permalloy,the development of reducing the cost of permalloy through replace high-Ni-alloy by low one,the study of the new wafer core materials used as stereo magnetic head,and the development of iron-loss analysis of the soft magnetic alloy .

其中包括高导磁率坡莫合金成分设计理论、低中Ni代中高Ni的坡莫合金廉价化进展，立体声磁头用耐磨耐应力坡莫合金的开发，软磁合金的损耗分析等。

The hot cracking tendency of alloys increase with the increasing of temperature range of uncompensated stage.

浇注温度的提高可以降低合金的冷却速率，如果这种影响发生在合金不可补缩区，将降低合金的热裂倾向。

In this experiment, the two high alloying Al-2 at%Cu-8 at%Mg、Al-3 at%Cu-12 at%Mg alloys were cast in cuneal mould at different cooling rates after the delicate alloy composition design.

通过合金成分设计，采用常规铸造工艺在不同的凝固速度下制备原子比Cu∶Mg=1∶4的Al-2%Cu-8%Mg、Al-3%Cu-12%Mg两种高合金化铝合金，利用XRD、OM、SEM、TEM等分析测试手段，观察了合金的组织特征。

Pseudo- oriented solidification microstructures have been found in the rapidly solidified iron disilicide ribbons, and lead to textured structures in the bulk b-FeSi2 based alloys, which means there exists some orientation relationship between the a- and b-FeSi2 phase.

实验发现，快速凝固FeSi2合金薄片粉末中存在伪定向凝固组织，它导致了热压后的b-FeSi2基合金块体材料中的织构。这表明FeSi2合金的a相和b相晶粒之间存在特定取向关系。

The sliding wear behaviors under lubricating of hypoeutectic, eutectic and hypereutectic Al-Si alloys are investigated.

研究了亚共晶、共晶、过共晶 Al-Si 合金在润滑条件下的磨损行为，探讨了三类合金的磨损失效机理，得出提高Si含量是提高 Al-Si 合金耐磨性的有效途径。

The microstructure and damage tolerance property were adjusted by duplex anneals at 900℃,93 0℃,and 950 ℃ in α+β phase region and single anneal at 980℃ in β region for the TA15ELI titanium alloy plate.

采用一火β区热轧和一火两相区上部温度热轧获得了片状组织的TA15ELI钛合金厚板，通过两相区900℃、930℃、950℃和β区980℃退火热处理进一步调整合金显微组织和损伤容限性能，测定了不同热处理状态下合金的显微组织特征参数和室温拉伸性能、断裂韧性、疲劳裂纹扩展速率，分析了显微组织对损伤容限性能的影响关系。

The absorption and distribution of chromium were studied in ryeusing nutrient culture technique and pot experiment.

采用不同浓度K2CrO4(0，0.4，0.8和1.2 mmol/L)的Hoagland营养液处理黑麦幼苗，测定铬在黑麦体内的亚细胞分布、铬化学形态及不同部位的积累。

By analyzing theory foundation of mathematical morphology in the digital image processing, researching morphology arithmetic of the binary Image, discussing two basic forms for the least structure element: dilation and erosion.

通过分析数学形态学在图像中的理论基础，研究二值图像的形态分析算法，探讨最小结构元素的两种基本形态：膨胀和腐蚀；分析了数学形态学复杂算法的基本原理，把数学形态学的部分并行处理理念引入到家实际应用中。