粗晶,coarse grain
1)coarse grain粗晶
1.The relation betweencoarse grain and rupture of casts was found thro ugh analyzing the formation ofcoarse grains and tests for eliminating coarse gr ains on ZG32Cr06 cast steel.通过对ZG32Cr0 6铸钢粗晶成因的分析及消除粗晶的工艺性能试验,探讨了粗晶导致铸件断裂的机理。
2.The cause of surfacecoarse grain of aluminium profile is analyzed.表面粗晶与铸棒晶粒度，挤压温度、挤压比、模具设计制作等因素有关，与铸锭Zn含量无关，避开临界变形量是消除粗晶的主要措施。
3.Thecoarse grain cemented carbides demonstrates the special properties and applications,with a serials merits,such as few structural defects,high micro-hardness,low micro-strain.粗晶硬质合金具有特殊性能和用途,尤其是高温粗晶硬质合金具有结构缺陷少、显微硬度高、微观应变小等一系列优点,因此被广泛应用于矿山工具、冲压模具、石油钻采、硬面材料等领域。
英文短句/例句
1.Numerical Simulation on recrystallization of coarse-grained austenite in low-carbon Nb-microalloyed steel低碳含铌钢粗晶奥氏体再结晶的数值模拟
2.Fine structure in coarse grain region of fine grained titanium alloy细晶粒钛合金焊接接头粗晶区的精细结构
3.Microstructure of Coarse-grained BaTiO_3 Ceramics and Its Effects on Electric Properties粗晶粒BaTiO_3陶瓷的微观结构及电学性能
4.Research on Coarse Grain of Heavy Castings and Forgings and Its Solution大型铸锻件粗晶及其解决方法的探讨
5.Influence of elevated temperature holding time on microstructure and properties in heat affected zone of fine grained titanium alloy高温停留时间对细晶粒钛合金粗晶区组织的影响
6.Technology and System Based on Time - Frequency Analysis for Ultrasonic Testing of Coarse Grain Materials;基于时频分析的粗晶材料超声检测技术与系统
7.The Simulation of Weld CGHAZ of Pipeline Steel X80 and Performance Study;X80管线钢粗晶区相变的模拟及性能研究
8.A Study on CGHAZ Precipitates and Toughness of Underwater Welds on Pipeline Steels;管线钢水下焊接粗晶区沉淀物和韧性的研究
9.Research on Superplasticity and Microstructure Evolution of TC21 and LC4 Alloy;TC21和粗晶LC4合金的超塑性及微观组织演化
10.Pattinson process帕廷森粗铅结晶除银法
11.Effect of abnormally large prior-austenite grains on the presence of surface intergranular cracks异常粗大的奥氏体晶粒对表面晶间裂纹的影响
12.Phase field modelling of grain growth in polycrystalline material多晶材料晶粒生长粗化过程的相场方法模拟
13.The Simulation and Study on the Crystallization Process of Crude Terephthalic Acid;粗对苯二甲酸结晶过程的研究与模拟
14.Technology for avoiding coarse grain in aluminum alloy extrusion plates挤压铝合金板材避免晶粒粗大的工艺
15.Cause Analysis and Strategy of Coarse Grain on Cast-rolling Strip铸轧带坯晶粒粗大的原因分析及对策
16.Effect of pH on Roughness of InSb in CMPCMP中酸碱度对InSb晶片粗糙度的影响
17.Band Structure Calculations of Two-dimensional Phononic Crystal with Wide-sharp Structural Scatterers二维粗锐结构声子晶体带结构的计算
18.Gross crystalline imperfections like twinning are apparent to the unaided eye.粗的晶体不完整性，如孪生体可用肉眼看出。
相关短句/例句
coarse crystal粗晶
3)coarse grain boundaries粗晶晶界
4)macrocrystalline["m?kr?"krist?lain]粗晶质，粗晶的
5)gross grain and mixed grain粗晶和混晶
6)macrocrystalline["m?kr?"krist?lain]宏晶;粗晶质
延伸阅读
铝合金挤压制品的粗晶环铝合金挤压制品的粗晶环coarse grain ring of extruded aluminium alloy productIOheJ一nJ一yo zh1P旧de euJ一nghuon铝合金挤压制品的粗晶环(coarse grain ringof extruded aluminium alloy produet)宇吕合金加工制品缺陷的1种。挤压制品末端周边具有粗大的再结晶晶粒区，单孔模挤压呈环形，多孔模挤压呈月牙形。粗晶环是采用无润滑正向挤压制品中固有的·种缺陷。沿挤压制品周边形成的粗大晶粒区，降低制品的抗拉强度和屈服强度，提高伸长率。如高强硬铝合金2A12(IY12)淬火自然时效状态棒材的粗晶环区(见图)，与正常区相比.纵向么降低84一92MPa，丙2降低60~64MPa才提高3%一4%。对粗晶环的形成机理各国有许多研究，早期文献认为由于发生二次再结晶而形成;20世纪70年代以来多数研究结果证明是由于亚晶合并产生的一次再结晶形成。影响粗晶环的因素较多，低锰的合金形成粗晶环严重，含错的合金可减轻粗晶环。铸锭均匀化退火温度高和挤压温度低，均使粗晶环区深度增加。采用反挤压、润滑挤压和冷挤压工艺可显著减轻粗晶环，甚至完全消除。降低热处理温度和缩短保温时间也可减小粗晶环深度。「肇几 高强硬招合金2八1别{_Y12)挤压棒材淬火自然 时效状态的粗晶环(咚长清)
