1) coarse grain
粗大晶粒
1.
The effects of cold rolling processes on coarse grains of aluminium foil blanks in annealing are studied.
试验研究了变形程度、道次加工率、润滑等对铝箔坯料退火产生粗大晶粒的影响。
2.
The coarse grain in cast strip is produced on the condition that cool speed is not fast enough to overcool aluminum melt in whole cast area, and only provide proper temprature gradiant to keep cellular grain growing up.
铸轧区内铝液与铸轧辊接触瞬间，当铸轧辊冷却强度不足以使整个断面铝液同时产生较大的过冷，而仅能保持胞状晶生长所需的液体温度梯度时，铸轧板就会出现粗大晶粒；根据传热学原理，分析了具体生产条件，提出增大铸轧辊冷却强度、降低前箱温度以及添加铝钛硼丝等防止铸轧板产生粗大晶粒的措施。
3.
The paper is to solve the problem of the coarse grain occurred in the recrystallization annealing process of the 3003 aluminum alloy sheet.
为了解决3003铝合金冷轧板进行再结晶退火时出现粗大晶粒的问题,利用光学显微镜观察在同一温度下退火,随着保温时间的延长3003铝合金板组织的变化情况,确定了3003铝合金板的最佳退火保温时间。
2) coarse grain
晶粒粗大
1.
The results show that the main reason is many little cracks(white spot) exist,and heavy reticulation structure,inclusion,coarse grain and side decarburized stucture.
结果表明,其发生断裂的主要原因是存在较多的小发纹(白点),加之较严重网状组织、夹杂物、晶粒粗大和边部脱碳组织,在机械加工力的共同作用下,导致轻轨发生断裂。
2.
This paper introduces the effect of coarse grains on the ultrasonic inspection of 40CrMo steel used for crankshaft.
由于42C rM o曲轴锻造坯组织晶粒粗大,影响了钢中缺陷的超声波定性探伤效果。
3.
This paper introduces the effect of coarse grains on the ultrasonic inspect ion of 42CrMo steel used for crankshaft.
由于42CrMo曲轴锻造坯组织晶粒粗大,影响了钢中缺陷的超声波定性探伤效果。
3) coarsening
[英]['kɔ:sn] [美]['korsṇ]
结晶粒粗大化
4) grain coarsening
晶粒粗化
1.
A 2-D cellular automaton(CA) model is developed to simulate nucleation,growth and coarsening of grains during the solidification of a certain material,as well as the grain coarsening after solidification.
建立了模拟凝固进行时晶粒成核、生长与粗化过程以及凝固完成后晶粒粗化过程的二维元胞自动机模型,模型中将原子在固/液界面、晶界面的迁移过程以概率的方式表现在元胞网格演化的规则中。
2.
The principles of dissolution precipitation of second phase particles and autenite grain coarsening were studied and the solubility product of NbC in austenite as function of temperature was evaluated.
经试验确定钢的晶粒粗化温度 (t GC)为 110 0℃ ,t GC与第二相粒子的全固溶温度 (ts)之间存在一定的线性关
3.
A directly etching test of austenitic grains wasconducted to show the effects of different V and Nb contents on austeniticgrain coarsening, thus making provision for a rational choice of austenizingtemperature in the rolling process of the microalloyed V--Nb steel.
通过对奥氏体晶粒的直接腐蚀显示,测出了不同 V,Nb 含量对奥氏体晶粒粗化的影响,为 V,Nb 复合的微合金化钢在轧制时奥氏体化温度的合理选择提供了依据。
5) coarse grain
粗晶粒
1.
The coarse grain segments for the mine were successfully manufactured by optimizing grain size and purity of WC powder and improving technology.
分析了矿用截齿的磨损形式,解剖了国外典型矿用截齿结构,通过优化WC粉粒度和纯度,改进工艺制度成功地研制出了G413粗晶粒矿用截齿。
6) coarsened grain
粗化晶粒
补充资料：粗大
粗大
粗大 脉象名。指脉体宽大，搏动有力。是阳热邪盛之象。《素问·脉要精微论》：“粗大者，阴不足阳有余，为热中也。”
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条