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- grain growth coarsening 晶粒粗化
- As temperature was increased successively, the coercive force and squareness ratio of the film decreased because of grain growth and second phase coarsening. 温度继续升高,晶粒长大,第二相粗化时,薄膜的矫顽力和矩形比都减小。
- The results show that the cerium as solid solute in steel can inhibit the austenite grain growth and enhance the grain coarsening temperature by 50 K at least. 固溶于钢中的微量铈有抑制奥氏体晶粒粗化的作用,至少可使奥氏体晶粒粗化温度提高50K以上;
- The Templated Grain Growth(TGG) process was used to texture PMN-PT. 模板晶粒生长过程(Templated Grain Growth)可以使多晶材料形成择优取向的排列(即织构化)。
- Kinetics of grain growth in ABO_3 Type ceramics have been studied by computer simulation technology. 采用计算机仿真模拟技术,研究ABO_3型结构钛酸钡系陶瓷的晶粒生长动力学,不仅获得了晶粒生长的定性演化图形,而且得到了与实际陶瓷相吻合的定量动力学因子。
- Al 2O 3 addition could inhibit grain growth of ZrO 2,as well as improve mechanical properties at room temperature. Al2O3既可抑制晶粒长大,又使常温力学性能有所改善。
- The cementite phase in steels increases the recrystallization temperature and abstracts the grain growth. 由于渗碳体阻碍晶粒长大,所以随碳含量的增加,钢的再结晶温度升高。
- The wormhole-like mesostructure can retard the collapse rate of mesopores through grain growth during crystallization. 又因虫洞状孔洞仍存留于长大之晶粒内,阻碍氧化钨晶粒成长,提高孔洞崩解温度与热稳定性。
- And in this thesis we introduce LSW theory to demonstrate the process of abnormal grain growth. 利用LSW理论模型计算并解释了晶粒反常生长过程。
- But the increasing of N2 flow rate enhances the grain growth of Si3N4, which also inhabits the growth of ZrN grain. 高的溅射偏压可促进ZrN晶体生长,N2流量增加则主要促进Si3N4晶体生长;
- A new topology-related individual grain growth rate equation was derived under the assumption of the statistical grain model. 基于三维个体晶粒表面积的变化率与晶粒拓扑性质之间的定量关系和晶粒尺寸-面数关系的假设,推导了一个拓扑相关的个体晶粒长大速率方程。
- The ZrN films were annealed at various temperatures in order to observe the grain growth and the inter-diffusion of atoms between interfaces. 将溅镀后的氮化锆薄膜经过不同时间及温度的退火,以观察晶粒变化及与基材间是否相互作用或扩散。
- The characteristics of grain growth of metallic phase in direct reduction of high phosphorus oolitic hematite by carbon are discussed in the paper. 研究鄂西高磷鲕状赤铁矿直接还原过程中金属铁颗粒的长大特性,并着重讨论还原温度、渣相碱度及反应时间对铁颗粒长大的影响。
- Hot pressing can facilitate the integrality of reaction and the crystalline structure, but will induce the grain growth. 热压过程有助于促进反应的完全和晶型的完整, 但会导致晶粒的长大。
- In recent years, templated grain growth (TGG) method has become a more practical and low-cost way to prepare the oriented material. 近年来,模板晶粒生长(TGG)方法成为更实用、低成本的制备工艺。
- During hot deformation of metal, a chain of complex changes such as grain growth and recrystallisation will happen on its microstructure. 金属在热成形过程中微观组织发生诸如晶粒长大、再结晶等一系列的复杂变化,会直接影响加工过程与产品的力学性能。
- The paper indicates that the keys of the sintering of nanomaterials in future are low-temperature,rapidity and restraint of grain growth. 指出以低温、快速、抑制晶粒生长为重点,乃是今后研究纳米粉末烧结的关键。
- The effects of solid-solution temperature and holding time on the grain growth and hardness of GH4169 superalloy were investigated. 研究了热处理温度和保温时间对GH4169合金晶粒长大规律和硬度的影响。
- Recrystallization and grain growth evolutions during free upsetting are simulated and the influences of lubrication on grain size are analyzed. 模拟了自由镦粗中再结晶和晶粒长大演化过程并分析润滑情况对锻件晶粒度的影响。
- Study is made of the effects and effecting mechanisms of a new type of grain growth inhibitor on vacuum sintering behavior of nanometer cemented carbide. 研究了一种新型晶粒长大抑制剂对纳米硬质合金真空烧结行为的影响,探讨了其影响机理。