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- crystal grain refining 细化晶粒
- crystal grain refinement 晶粒细化
- Gold occurs in a form of crystal grain or fine grain in the quartz veins ... 金以粗晶状单体自然金及细粒金存在于石英脉及硫化物中。
- The effects of TiAl 3, TiB 2 and AlB 2 phases in the Al Ti B master alloy on grain refining of aluminium were studied. 研究了Al?Ti?B晶粒细化合金中各化合物相TiAl3、TiB2和AlB2对铝晶粒的细化作用。
- The results show that when adding Al-B master alloy in terms of the B/Ti mass ratio of 1:5, the ideal grain refining effect can be obtained. 结果表明,按硼钛质量比1:5的比例加入Al-B中间合金,可获得理想的晶粒细化效果。
- Because the microcrack exists in the organization, the plasticity reduces with the crystal grain thinning. 因为组织中微裂纹的存在,随着晶粒的细化塑性反而减小;
- Grain refining effect of Al-Ti-C master alloy on MgAl alloys [J].The Chinese Journal of Nonferrous Metal, 2003, 13(3): 622-625. AlTiC中间合金对Mg-Al合金的晶粒细化作用[J].;中国有色金属学报;2003;13(3):622-625
- The crystal grain shape of desulphurization gypsum affects the performance of gypsum products. 脱硫石膏的晶体颗粒形态是影响石膏制品性能的重要因素之一。
- Because of the grain refining and recrystallization, the matrix was strengthened and the synthetic properties of nodular cast iron were improved. 由于晶粒细化和再结晶结果,基本得到强化,提高了球墨铸铁的综合性能。
- Crystal grain size along the normal direction of the (110), is one of the important factors affecting the slope factor. 合金(110)面法线方向上晶粒尺度的大小是影响合金放氢平台斜率系数的因素之一。
- Through the chemical composition,changing stress,improving melt pureness and strengthening grain refining advanced solving the crackles methods. 从控制化学成分、调整铸造应力、提高熔体纯净度、加强晶粒细化等方面入手,防止7475铝合金扁锭铸造时发生裂纹、疏松缺陷。
- Structure herdeity and low temperature grain refining process of three kinds of steels with high hardenability was studied. 研究了三种高淬透性钢的组织遗传特性及低温晶粒细化工艺。
- The crystal grains grow up accompany the temperature rising. 随温度的升高,出现晶粒长大的现象。
- It shows that the diamond seed crystal is also dodecahedron,coming from a crystal grain first, then growing as an dodecahedron diamond. 经分析发现,该金刚石晶体首先由晶核发育成菱形十二面体金刚石籽晶,再由此籽晶生长成菱形十二面体金刚石晶体。
- Both of the properties depend on crystal grain size of silica that means its size smaller,its anti burst biality greater and its reductibility better. 硅石的抗爆性和还原性能取决于硅石的晶粒度,晶粒小抗爆率高,还原性能好。
- The mechanical properties of the modified POM were studied, too.The results showed the addition of nucleating agent HC made the crystal grain more fine, shorte... 结果表明,高摩尔质量羧酸盐类成核剂HC的加入,使POM晶粒细化,结晶诱导期缩短,显著提高了POM的结晶速率。
- The crystal grain of material fabricated by milling powder is finer, especially Si particles minish obviously, and the microstructure is more uniform and compact. 粉末经高能球磨后,所制备材料晶粒更加细小,特别是硅粒子已明显细化,材料组织更均匀、更致密;
- Scandium in these alloys exhibits obvious grain refining,improved strength and serves to inhibit recrystallization in Al alloys,strengthen welds and eliminate hot cracking from welds. 钪对铝合金有明显的晶粒细化作用,提高了铝合金强度,抑制了再结晶,强化了焊缝,消除了焊缝出现的热裂。
- Effect of fiber blemish,the crystal grain size on the tension strength is showed in this paper through the analysis of the structure of the series of MJ carbon fiber. 通过对MJ系列碳纤维纤维结构的分析,确定纤维缺陷、晶粒大小对拉伸性能的影响。
- An acidic Zn-P alloy plating solution is recommended,in which tartaric acid,dextrin and boric acid are used as grain refining agents,and salicylaldehyde and glycine act as brighteners to obtain fine and bright deposits. 在推荐的酸性镍磷合金镀液中,用酒石酸、糊精、硼酸作镀层晶粒细化剂,水杨醛、甘氨酸作光亮剂,能获得细致、光亮的镀层。