对各种细化晶粒的方法进行了探讨。
细化晶粒对于提高材料的强韧性有利；
The fine grains helped to improve the strength and hardness of the material.
细化晶粒可抑制脆性断裂。
Crystalline fining grain can restrain the cleavage fracture.
钨可细化晶粒和石墨；
加入稀土可明显细化晶粒，使硬质合金硬度提高。
The grains can be obviously refined by adding rare earth, and the hardness improves in a certain degree.
但与掺锆相比，掺锡细化晶粒粒径的作用更为明显。
Results showed that doping Sn could play a role in reducing the grain size.
实验证明：等通道转角挤压技术是细化晶粒的新方法。
It is shown that equal channel angular extrusion is a new method of grain refinement.
解决这一问题的关键是扩大铸坯等轴晶区比例，细化晶粒。
The key to solve these problems is enlarging equiaxed grain zone and fining grain size.
从而改变了此钢按细化晶粒度控制强韧性的工艺指导思想。
Therefore, the technological guide-thought to control tough-strength properties of the steel according to fining its grain size should be corrected.
讨论了细化晶粒的几种方法：退火、添加晶粒细化剂和激冷。
Several methods for refining grains including annealing, adding grain refiner and quenching were discussed.
结果表明，铝能促进439不锈钢的回复再结晶，细化晶粒。
The results show that the alloying aluminum can promote the recrystallization and refine grain of stainless steel 439.
低温轧制能够实现节能降耗，同时对细化晶粒也有一定作用。
The low temperature rolling technology can save energy. And it has function to the get fine crystal.
钒元素还有细化晶粒的作用，并能改善脆性和磁场热处理效果。
In addition the brittleness and effect of heat treatment in magnetic field have been greatly improved and the grain size becomes smaller.
结果表明，钒渣复合孕育剂可有效地细化晶粒，改变碳化物形态；
The test results show that Vslag compound inoculants refine grain effectively and alter carbide appearance.
适量的稀土元素可改善焊缝金属组织的形态、细化晶粒、提高韧性。
It was also found out that proper re element addition could increase the toughness of the weld metal and improve its microstructure by grain refinement.
结果表明，改变铜液流动方式能够细化晶粒，提高凝固组织的均匀性。
The results reveal that the change of flow ways of liquid copper can evidently refine the grain size and improve the distributed uniformity of solidified structure.
载体光亮剂在氯化物镀锌中起着细化晶粒和增加主光亮剂溶解度的作用。
Carrier of brightener ACTS as fining the crystal size, making main brightener more soluble in chloride zinc plating.
结果表明，半固态连续铸轧技术可以提高板带的塑性加工性能，细化晶粒。
The result shows that the technology of semi-solid strip casting and rolling can improve plastic processing property and refine grain.
本文研究了微量元素钒、钛在非调质钢中的析出硬化作用和细化晶粒作用。
The precipitation hardening effect and the grain refining effect of trace elements vanadium and titanium in microalloyed steels were researched on.
在离心浇铸金属凝固过程中，采用动态效应的方法对以达到细化晶粒的目的。
A method of dynamic action was used during the solidification of the alloy in centrifugal casting.
结果表明，预处理过程中发生的静态回复与再结晶可以达到细化晶粒的目的。
The result shows that, static recovery and recrystallization can refine grain size in the process of pretreatment.
晶粒度测试表明：慢速加热条件下出现组织遗传现象，中速加热时可细化晶粒。
The grain sizes being tested, show that the hereditary phenomena will appear under the condition of slowly heating, and that grains will be fined when the moderate speed is heated.
试验结果表明，振动埋弧焊工艺能有效地降低焊接残余应力和变形，并细化晶粒。
The results of test showed that vibratory submerged arc welding can reduce residual stress and distortion notably and make the grains fine.
研究离子注入非晶合金、化合物形成、细化晶粒；离子注入改变金属表面性质的作用。
The effects of ion implantation on the formations of amorphous alloys and compounds, grain refinement and surface modification are described as the results of such studies.
这过程被称为完全退火，因为它去除了以前组织结构的所有痕迹、细化晶粒并软化金属。
This process is known as full annealing because it wipes out all trace of previous structure, refines the crystalline structure, and softens the metal.
结果表明，合金元素能够细化晶粒，改善碳化物的形貌和分布，提高力学性能和耐磨性。
The results show that alloying elements and rare earth can refine grain, change carbide morphology and distribution, and increase mechanical properties and wear-resistant properties.
试验结果表明，此种孕育剂对细化晶粒、改变碳化物组成及形状、提高性能有显著的效果。
The experimental results have indicated that inoculation has significant effect upon soundess of white cast iron, refine grain, Change ingredient and shape of carbides and improve its properties.
结果表明：机械力化学作用能够细化晶粒、提高混合粉体的反应活性和诱导室温化学反应。
The results show that effects of mechanochemistry can fine crystalline particles, enhance the reaction activation of the milled mixtures and induce the chemical reaction at room temperature.
论述了稀土细化晶粒、减轻枝晶偏析、改善非金属夹杂物形态和分布及其对铸钢件质量的影响。
The influences of RE on solidification of steel, on dendrite segregation and on morphology of nonmetallic inclusions in steel are discussed in coordination with the authors research.
论述了稀土细化晶粒、减轻枝晶偏析、改善非金属夹杂物形态和分布及其对铸钢件质量的影响。
The influences of RE on solidification of steel, on dendrite segregation and on morphology of nonmetallic inclusions in steel are discussed in coordination with the authors research.
应用推荐