The combined effect of v and re can delay the dynamic recrystallization , refine the grain and second phase particles , and promote the precipitation of v ( c , n ) considerably 钒和稀土复合微合金化有更强的推迟形变奥氏体动态再结晶,抑制奥氏体晶粒长大和细化晶粒的作用。
For improving product purifying the conditions in recrystallization processes were investigated and a new method for the improving product purity is proposed 结果表明,采用最佳反应条件,可使合成盐酸二甲双胍的产率提高,产品可一次性达到合格标准,找到了提高产品纯度的新途径。
The study on recrystallization kinetics and grain growth models during material hot forging was accomplished and user subroutines were programmed to be embedded into deform ( superscript - tm ) 完成了金属材料热变形过程中再结晶动力学与晶粒长大模型研究,编制用户子程序并嵌入到deform (上标- tm )程序中。
The lath width of martensite can be fined noticeably by pre - strained quenching at non - dynamic recrystallization to approach nanometer magnitude ( the average width is 120nm ) 采用非动态再结晶温度下的预应变-淬火,提高马氏体相变形核率,可以超细化马氏体的板条晶片宽度,使之接近纳米量级水平(平均宽度达到120nm ) 。
Recrystallization takes patience , but it ' s worth it ! this video walks you through the procedure , from solubility tests to cold filtration , with information on one - solvent and two - solvent recrystallizations 再结晶须有耐心,但它是值得的!此影片让你用一种溶剂与两种溶剂的再结晶方法从溶解度测试到冷过滤来经验此过程。
4 . after continuously heated and isothermally soaked , the equiaxed grain , as the result of the recrystallization , was the necessary texture condition of the semi - solid grain ' s globalization processing 4 、连续升温和等温保温过程中再结晶形成等轴晶,为半固态晶粒球状化提供了必西安理工大学硕士学位论文要的组织条件
This paper mainly describes workharden , moving regaining , and recrystallization of red copper in the process of hot deformation under different strain temperatures , different strain rates and different deformation degress 摘要从不同的变形温度、变形速率、变形程度三个方面来研究紫铜在热变形过程中对产生的加工硬化、动恢复和动再结晶的影响。
Moreover , thermal shock behavior of 3d - c / sic was distinctly superior to that of recrystallization sic , and when the deposition time of pyrocarbon was 20h , 3d - c / sic possessed the longest thermal shock life 3d - c sic复合材料的抗热震性能明显优于重结晶sic陶瓷材料;三种界面层的3d - c sic中,以热解碳沉积时间为20小时获得的界面层复合材料热震寿命最长。
The characteristic of deformation microstructure at high temperatures for 7055 aluminum alloy have been studied . the condition of dynamic recovery and dynamic recrystallization took place in 7055 aluminum alloy had been explored 研究了7055铝合金高温压缩变形时的微观组织演变特点,探明了7055铝合金高温塑性变形时发生动态回复及动态再结晶行为的条件。
The zn / o ratio , c - axis orented and stress were improved by annealing , and also redusing the defect of zno flim , increasing the size of grain . but too high annealing temperature was adverse to recrystallization of zno thin film 退火能改善zno薄膜的锌氧比、 c轴的择优取向和应力状态,减少薄膜中的缺陷,使晶粒长大,但是过高的退火温度不利于zno薄膜的重结晶,使zno薄膜的质量变差。