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- crystalline grain growth 晶粒生长
- 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。
- 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)。
- Sodium fluoride destroys metal crystalline grain, forming the small cellular structure, it convenient for membrane imbed among them. 氟化钠破坏金属晶格形成微小的蜂窝状结构,从而便于涂膜嵌入其中,达到增强涂膜附着力的目的。
- It has been proved that the pigment is fluorite solid solution and the size of its crystalline grain is 17.90nm from the analysis of XRD, SEM, EDS and CIE parameters. XRD;SEM;EDS;CIE色度分析的研究结果表明;该红色稀土颜料为萤石型固溶体;其晶粒尺寸为17.;90nm。
- Ceramic powder of nano grade is an aggregate composed of extremely fine crystalline grain and numerous of atoms lying in the defective center of crystalline region. 纳米级陶瓷粉是由极细的晶粒和大量处于晶界内部缺陷中心的原子所构成的集合体。材料粒径变小,将引起纳米材料性质的变化。
- The zirconium takes effect in making crystalline grain smaller、deoxidation、desulphurization、dephosphorization,etc.It can improve the strength、tenacity of the steel. 锆具有细化晶粒、脱氧、脱硫、脱磷等作用,可以提高钢材的强度和韧性,特别对深冲钢板可以提高其延伸率;
- 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 crystalline grain size is uniforn, and the size distribution of the powder is narrow.The prepared nanosized TiO2 powders have high-purity and their phase structure is single anatase phase. 结果表明:随着沉淀剂浓度的不同,可制备出不同粒径的二氧化钛纳米颗粒,其粒径均匀,尺寸分布较窄,纯度高,晶型皆为单一的锐钛矿型。
- 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。
- It is proved that the size of crystallin grain is the main factor having effect on the mechanical intensity of material,and the existence of microstructure defect can improve the tenacity of material. 结果证明,晶粒大小是影响材料力学强度的主要因素,结构缺陷的存在可以提高材料的断裂韧性。
- 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;
- With a chemical formula of NaHCO3, baking soda is a white powder with crystalline grains. 化学成分是NaHCO3。小苏打是一种晶粒状的白色细粉末;
- 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。
- Microstructure analyses of tensile samples by SEM show that crystalline grains are very fine and have the orientated solidification structures. 拉伸试样显微组织晶粒细小,具有定向凝固特征。
- 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。