利用SEM和能谱分析，研究了其微观形貌的变化，并对球磨粉末的晶粒细化机理进行了一定的研究。
The morphology of the powders was studied by SEM and EDS, on which the discussion of grain refinement mechanisms is based.
选用K 18合金和纯金属镍及不同的面层细化料，通过实验对比研究了镍基高温合金叶片表面晶粒细化机理。
Surface grain refinement of turbine blades in Ni based superalloy K18 were studied by comparison of experimental results in different alloys and mold surface materials.
本文在实验室和工业试验的基础上对电磁振动和电磁搅拌的晶粒细化机理和效果进行了探讨，并获得满意的晶粒细化效果和消除偏析的作用。
In this paper, the effect of electromagnetic vibration and stirring on the fining of crystal grains and its mechanism are discussed based on the results from laboratory and industrial-scale tests.
激光相变硬化机理主要是马氏体强化和晶粒细化。
The mechanism of laser hardening is martensitic hardening and grain refining.
本文利用sima法，对细化和球化AZ 91 d镁合金铸件晶粒的机理作了细致的研究。
This paper researched the refining and spheroidization mechanics of the semi-solid grains of AZ91D magnesium alloys by SIMA.
综述了中间合金细化剂对铝合金晶粒细化处理的研究与应用现状。对具有代表性的细化机理进行了分析和讨论。
The present situation of application and study of master alloy refiners in aluminum alloys was reviewed in this paper. the typical mechanism of grain refine was analyzed and discussed.
分析讨论了中间合金对铝合金晶粒细化处理的研究与应用现状及其细化机理；
The present situation of development and application of master alloy refiners and mechanism of grain refinement in aluminum alloys was analyzed and discussed.
介绍了铜基形状记忆合金的晶粒细化方法及机理，论述了晶粒细化对铜基形状记忆合金力学性能和记忆性能的影响。
The ways and the mechanisms of grain refinement in Cu-Base shape memory alloys are especially described. The effect of grain refinement on mechanical and memorial properties are discussed.
多元膜层强化机理主要是：晶粒细化、固溶强化、多元素优化。
The main strengthening mechanisms of (Ti, Cr)N films were grain fining, solid solution strengthening and multi elements strengthening.
镁合金细化机理主要为动态再结晶细化和晶内细化两种机制，当晶粒细化到一定程度，晶粒将不再细化。
The main mechanism of magnesium alloy refinement are dynamic recrystallization and intragranular refinement, when the grain refinement is to a certain extent, the grain will no longer be refined.
根据金属遗传原理探讨了晶粒自身细化机理。
The mechanism of the self grain refinement of metals has been studied onthe heredity theory of metals.
详细介绍了铝钛硼晶粒细化剂机理研究的最新进展及铝钛硼工业的最新动向。
Progress for Al-Ti-B grain refining mechanism and new trends of Al-Ti-B industry are detailed.
从细化机理入手论述了铝及其合金的细化效果以及常用的晶粒细化剂的优缺点。
The mechanism of refining the pure Al and its alloys is discussed. The grain refinement efficiency and characteristics of the most popular grain refiners are also discussed.
分析讨论了机械物理、物理场、晶粒细化剂对铝及合金晶粒细化处理的研究及其细化机理；
The research about the effects of mechanical physics, physical fields, grain refiners on the grain refinement of Aluminum and alloys is analyzed and discussed;
分析讨论了机械物理、物理场、晶粒细化剂对铝及合金晶粒细化处理的研究及其细化机理；
The research about the effects of mechanical physics, physical fields, grain refiners on the grain refinement of Aluminum and alloys is analyzed and discussed;
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