Effect of quenched rate to the microstructure and tensile properties of 1420ai - li alloy 淬火介质对1420铝锂合金组织及性能的影响
Study on microstructures and electrochemical properties of zr - based ab2 hydrogen storage alloys 2型储氢合金组织结构及电化学性能的研究
Effect of heat - treatment on the structure and properties of chemical plated ni - sn - p coating 电场固溶处理对1420铝锂合金组织和性能的影响
Effect of porcelain firing cycle on microstructure and corrosion resistance of 4 metal ceramic alloys 临床烤瓷工艺对烤瓷合金组织及耐腐蚀性的影响
Effect of revert recycle times on microstructure and thermal fatigue properties in cobalt - base superalloy k640s 返回次数对一种钴基高温合金组织及冷热疲劳性能的影响
The effects of the surface films alloying . 1nninta microstructure and casting technology of magnesium alloys as well as the environmental fuctors on the corrosion behavior of the alloys are introduced 摘要介绍镁合金的表面膜、合金元素、合金组织、环境因素以及铸造工艺等在腐蚀过程中的作用。铸造工艺中的相增多有利于改善耐蚀性，也是提高镁合金耐蚀性能的方法。
By vacuum - electron - beam weld of ti3al and tc11 the technology of hot die forging , and then use different heat treatments , study the influence law of the different degree of deform , different heat treatments to the microstructure and properties 采用热模锻技术，通过对tac - 1b 、 tc11进行不同程度的变形、真空电子束焊接，然后采用不同的热处理工艺，研究热加工工艺对合金组织，性能的影响规律。
In order to analyze the effect of structure of hypereutectic al - si alloy on its machinability , the cutting test to two hypereutectic al - si alloys which have the same chemical composition but different structures is made and their cutting mechanism is studied 为分析过共晶铝硅合金组织对其切削加工性能的影响，对两种化学成分相同但是组织结构不同的过共晶铝硅合金进行了切削试验研究并探讨了其切削机理。
Microstructure and properties of nickel - base pm superalloy are presented . effects of nonmetal inclusions and heat - treatment on microstructure and properties are discussed . future trends in microstructure and properties research are presented 摘要分析了镍基粉末高温合金的成型、热处理等冶金工艺及夹杂缺陷的性质等与合金组织和性能的关系，描述了粉末高温合金的热处理工艺，提出了今后我们粉末高温合金组织性能研究工作的重点。
The time taken to reach maximum hardness decreased and the corresponding maximum hardness decreased with increasing aging temperature . the better properties of al - mg - si - mn - cr alloy were obtained after 8h at 175 ' c . the al - mg - si - mn - cr alloy resembles al - mg - si alloy in the way of the age hardening mechanism 在同一温度下，随着时效时间的延长，合金硬度逐渐上升，在达到时效硬度峰值后又逐渐降低，随着时效温度的升高，中南大学硕士学位论文川mg st mn cr合金组织与性能的研究合金达到时效硬度峰值的时间缩短，而相应的时效硬度峰值在减小。
