当加热温度和保温时间一定时,随着挤压次数的增加,二次加热组织的晶粒尺寸减小。
When remelted temperature and holding time are constant, with the increment of number times of extrusion the crystal grain becomes small.
介绍了镁合金半固态触变成形技术中的三个关键技术:非枝晶组织半固态浆料的制备、坯料的二次加热、半固态触变压铸成形。
This paper introduced the key technology of SSP(semi-soild process) thixomolding of magnesium alloys : the preparation of non-dendritic structure, reheating, thixomolding.
结果表明: 等径道角挤压后二次加热等温处理是一种适于AZ91D镁合金的制坯方法, 加热温度对坯料的组织有很大影响。
The results show that reheating the AZ91D magnesium alloy extruded by an equal channel die is a kind of good method of preparing AZ91D magnesium alloy billets.
采用感应加热研究X 70控轧钢弯管二次加热力学组织、力学性能随着淬火温度、回火时间的变化规律。
Using the method of induction heating, the regulation of the variety of X70 controlled rolling steel bends'mechanics structure and mechanics property in secondary heating is investigated.
二次加热使合金组织中产生部分液相,在650?。
Reheat makes liquid phases emerge in the alloy, when the warming temperature is 650?
利用电阻炉加热,采用电子显微镜及图象分析仪,研究了近液相线铸造a 356铝合金在二次加热过程中的组织变化。
Using resistance furnace, the structure of A356 aluminum alloy casted by nearby liquidus semi-continuous was studied during remelting by means of electron microscope and image analysis apparatus.
研究了近液相线半连续铸造ZL201合金的微观组织及其在二次加热过程中的变化。
The casting and remelted microstructures of ZL201 alloy cast by liquidus semi-continuous casting(LSC)were studied.
发现,HQ70钢过热区粗大非平衡组织,经第二次快速加热到正火区,并没有出现通常所认为的“细化品粒”现象,而是出现了“组织遗传”。
It was discovered that structural heredity phenomenon took place in the non-equilibrium structure of overheated zone of HQ70 steel after another quick heating.
发现,HQ70钢过热区粗大非平衡组织,经第二次快速加热到正火区,并没有出现通常所认为的“细化品粒”现象,而是出现了“组织遗传”。
It was discovered that structural heredity phenomenon took place in the non-equilibrium structure of overheated zone of HQ70 steel after another quick heating.
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