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- crystal grain refinement 晶粒细化
- crystal grain refining 细化晶粒
- 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 grain refinement begins from the center ellipsoidal zone, and then gradually expands to the vertical edge zone and conical contact zone. 细化首先开始于易变形区,再相继扩展到纵向棱边区和接触锥形区。
- The chemical composition,grain refinement methods,application situation and progress in wrought Al-Mn alloy were summarized. 综述了变形铝锰合金的化学成分、细化方法、应用现状及发展动态。
- The trunk will probably rupture when convection happens,and will result in spontaneous grain refinement in deeply undercooled melts. 当过冷度足够大时;一次枝晶可能发生缩颈;并在对流作用下于缩颈处熔断;导致晶粒的自身细化.
- Iwahashi Y, Horita Z, Nemoto M, et al.Process of grain refinement in equal-channel angular pressing [J].Acta Materialia, 1998, 46(9): 3317. 陆文林;王勇;冯泽舟;等.;沙漏挤压镦粗复合加工技术[J]
- 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 refinement, texture controlling and nonbasal slip system activation improve ductility of magnesium alloy remarkably, which are promising methods. 细化晶粒、控制织构、激活非基面滑移系可以显著改善镁合金的塑性，是较有前景的塑性改善方法。
- 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。
- The mechanisms for ferrite grain refinement in TMCP mainly depends on the static ferrite transformation from work -hardened austenite... TMCP的晶粒细化主要靠加工硬化奥氏体的静态铁素体转变。新工艺晶粒细化主要靠形变诱导动态铁素体相变。
- 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。
- This can obtain high cast.Cast crack of castings is prevented by grain refinement, strengthening deoxygen and dephosphorization. 通过采取细化晶粒、强化脱氧、脱磷来预防铸件产生裂纹。
- The crystal grains grow up accompany the temperature rising. 随温度的升高,出现晶粒长大的现象。
- At the present time, the researches on ZK60 magnesium alloys were focused on the grain refinement, superplasticity and composite material. 目前对于ZK60镁合金的研究主要集中在挤压态坯料的晶粒细化、超塑性、复合材料等方面,对于铸态ZK60镁合金的变形行为研究较少。
- 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。
- The effect of stable magnetic field on grain refinement was investigated in the case of low carbon Mn Nb steel transformation from austenite to ferrite and pearlite. 研究了在低碳锰铌钢的奥氏体向铁素体和珠光体转变的过程中外加稳恒磁场的晶粒细化作用。
- 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 results showed that adding 0.2%Sc and 0.1%Zr to Al 5Mg alloy leads to strong grain refinement but adding only 0.2%Sc to Al 5Mg alloy has no grain refinement phenomenon. 结果发现，0?2%25的Sc并未使Al?Mg合金产生晶粒细化作用，而0?2%25的Sc与0?1%25的Zr复合添加则使Al?Mg合金产生了极其强烈的晶粒细化作用。
- In order to increase yield strength of commercial microalloyed steel from 400MPa to 800MPa, grain refinement and high purity are taken into consideration. 为了将目前商业化微合金钢的屈服强度由40MPa级提高到800MPa级;拟采用超细晶粒和高洁净度的方法来提高强度和寿命.
