By purifying the alloy melt, refining matrix grain and carbide, it is possible to increase the impact toughness of the Cr-alloyed white cast iron.
通过净化合金液，细化基体晶粒，细化碳化物可使铬合金白口铸铁的冲击韧性提高。
The changes in chemical and phase composition of spinel in the grain and matrix of specimens after high temperature treatment have also been investigated.
分析了试样经高温处理后基质和颗粒中的尖晶石相组成及化学成分的变化规律。
The critical event for cleavage fracture in notched specimens is the propagation of a ferrite grain-sized crack into the matrix, and is independent of specimen sizes and widths.
在缺口试样中，解理断裂的临界事件是铁素体晶粒尺寸的裂纹扩展进入基体，不随试样尺寸和宽度变化。
The stress value of silicon grain is greater than aluminum matrix, which indicates stress concentration phenomenon appeared because of the accumulation of the metal near the grains.
晶粒处应力值大于铝基体，说明由于晶粒附近的金属堆积，导致应力集中现象的产生。
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。
It is shown from TEM analysis that the fine grained matrix materials are mainly derived from the huge clasts by subgrain rotation and local grain boundary migration.
TEM亚微分析表明，细粒基质是由粗大碎屑经过亚颗粒旋转，并伴随着局部颗粒边界迁移形成的动态重结晶颗粒。
Tungsten grain is one material that has high strength and body-centered cubic structure, and it distributes in the matrix that is soft and has the surface-centered cubic structure.
其中钨颗粒是强度较高的相，体心立方结构的钨颗粒均匀的分布于面心立方结构、较软的基体相当中。
Before QT treatment, grain size distributions in weldment and matrix are relatively homogenous, while after QT treatment the small grains are preponderant.
调质处理前焊缝和热影响区中晶粒尺寸分布较为均匀，而调质处理后主要以小尺寸晶粒为主。
The calcite layer and aragonite layers are multi-scale structure , and a small quantity of organic matrix distributes mainly in their grain boundary.
贝壳中的方解石和文石层均呈多级超微结构，微量的有机质在晶界和晶内呈不连续分布。
The influences of second-phase particles with various sizes on grain growth process in the matrix of a two-phase material were simulated and quantitatively analyzed.
模拟结果表明：第二相粒子对基体组织具有钉扎作用，当粒子体积分数一定时，总体钉扎作用随着粒子尺寸的减小而增强；
A new way that made grain reinforced aluminium matrix composite is introduced.
介绍了一种新的制备颗粒增强铝基复合材料的方法。
The melt eroding acting on the matrix of crucible refractory destroyed the combination between grain and matrix, and caused the grain to spall…
合金液通过侵蚀坩埚材料的基质部分破坏了坩埚表层的结构。
The more the content of residual copper in steel, the more severely the oxidation corrosion occurs on grain boundary and matrix, the greater the hot brittleness tendency;
残余铜含量越高，晶界与基体界面氧化腐蚀越严重，热脆性倾向越大；
The results show that the microstructure of laser alloying zone is compact, grain is fine, and has metallurgical bonding with matrix.
实验表明：激光合金化层组织致密，晶粒细化，与基体呈冶金结合。
The TEM analysis shows that the matrix of composite coating is polycrystal nickel with the finer grain size, and the organization structure is homogeneous and compact.
TEM分析表明：复合镀层的基体为多晶镍，并且复合镀层晶粒细小，组织结构均匀、致密。
The melt eroding acting on the matrix of crucible refractory destroyed the combination between grain and matrix, and caused the grain to spall. There were intense…
合金液通过侵蚀坩埚材料的基质部分破坏了坩埚表层的结构。
After welding, a large volume fraction of tiny M6C precipitates in the matrix is discontinuously dispersed in the grain boundaries and twin boundaries, and the original carbides become bigger.
焊后，大量M6C在晶内弥散析出，在晶界和孪晶界上不连续析出，原有的碳化物长大。
The mixing proportion of WC and matrix metal, the grain size of WC, the composition and hardness of the matrix and other factors on wearability of the spray welding coating are discussed in the paper.
本文重点研究了碳化钨与粘结金属的配合比例、碳化物颗粒的粒度、粘结金属的组织成分及其硬度等因素对喷焊层耐磨性的影响，并初步得出某些因素对喷焊层耐磨性的影响规律。
The carbides in the matrix prevent dislocation from moving, and pin effect of the carbides in the grain boundary keep grain boundary from sliding, and creep resistance of steel is improved.
蠕变期间，晶内碳化物阻碍位错运动，晶界碳化物“钉扎”晶界，阻碍晶界滑动，由此提高钢的蠕变抗力。
The carbides in the matrix prevent dislocation from moving, and pin effect of the carbides in the grain boundary keep grain boundary from sliding, and creep resistance of steel is improved.
蠕变期间，晶内碳化物阻碍位错运动，晶界碳化物“钉扎”晶界，阻碍晶界滑动，由此提高钢的蠕变抗力。
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