1) deformation-induced martensite
形变诱发马氏体
1.
Effect of quenching temperature on deformation-induced martensite of Ti-3Al-4.
5V-5Mo钛合金形变诱发马氏体的影响。
2.
The paper deals with the super-elasticity and compressed deformation-induced martensite at room temperature , indicates the changing trends of the martensite, contrasts the microstructure and properties of two sputtering films ( magnetron sputtering and ion beam sputtering ), confirms the preparation method and the anneal technics, furthermore, observes the martensite at low temperature.
7at%Ni合金在室温时的超弹性及压缩变形形变诱发马氏体,揭示了室温压缩变形形变诱发马氏体演变过程,对比了磁控溅射和离子束溅射方法制备薄膜的显微组织性能,明确了薄膜的制备及品化处理工艺,并观察了TiNi薄膜在温度作用下的马氏体组织。
2) deformation-induced martensitic transformation
形变诱发马氏体相变
1.
The deformation-induced martensitic transformation and its reversibility in Ni-Ti-Nb alloys have been studied by means of tensile test at various temperatures, electrical resistance measurement, TEM and HREM observations.
用透射电镜、高分辨电镜、不同温度下的拉伸试验以及电阻率-温度曲线测试研究了Ni-Ti-Nb合金形变诱发马氏体相变及其可逆性,分析了形变诱发马氏体的稳定性和可逆性与其变体界面结构之间的关系。
3) induced-transformed martensite
诱发转变马氏体
4) strain induced martensite
应变诱发马氏体
1.
Through in situ TEM tension tests, the process of nucleation and growth of strain induced martensite and emerging of high density dislocations were observed, and lower content of Mn in micro region of m.
2%C,8%Mn)奥氏体的价电子结构进行的计算表明,有C-Mn原子的偏聚;用TEM组织观察和能谱分析发现奥氏体中有锰元素的偏聚;在TEM薄膜原位动态拉伸变形试验中观察到应变诱发马氏体的形核与长大及高密度位错产生的过程;能谱分析发现马氏体相变区锰含量较低。
5) strain-induced martensite
应变诱发马氏体
1.
A method for measuring transformation energy (Ept) of strain-induced martensite has been proposed from the tensile curves of 3 metastable steels.
依据应变诱发马氏体相变材料拉伸曲线的特点,提出了一种应变诱发马氏体相变能 Ept的测定方法,并测定了 3种材料在弹塑性失稳与应力平台阶段的相变能。
6) strain-induced martensite transformation
应变诱发马氏体相变
1.
The strain--induced martensite transformation the important service property of ZGMn8CrMo in low or medium impact energy.
在低、中等冲击能量条件下实现应变诱发马氏体相变是ZGMn8CrMo钢的重要服役特征。
2.
The results show that when the ratcheting strain reaches a certain value high enough,the strain-induced martensite transformation occurs in the process of ratcheting deformation.
结果表明:304不锈钢棘轮变形过程中,当棘轮应变达到一定值后会产生应变诱发马氏体相变,形成板条状马氏体,并且随循环周次的增加,形成的应变诱发马氏体相对量逐渐增加。
3.
The results show that the strain-induced martensite transformation mechanism is that,dislocation,fault and twins arise one after the other with the accumulation of impact energy and the increase of strain,and then martensite embryos form and grow up on the surface of the twins.
结果表明,在表面层深6 mm范围内,ZGMn8CrMo铸钢发生了应变诱发马氏体相变,其相变机理为:随积累冲击能量的提高,材料的应变量增加,奥氏体基体依次发生位错、层错、孪晶并在孪晶表面形成马氏体晶胚并长大的马氏体相变过程。
补充资料:奥氏体-贝氏体球铁
分子式:
CAS号:
性质:又叫奥-贝球铁。基体组织为奥氏体加贝氏体组织的球墨铸铁。这类球铁硅含量一般在1.4%~3.8%。含锰量小于0.5%,与普通球铁比较硅偏高、锰偏低。通过调节化学成分与热处理获得理想的奥-贝球铁的基体组织为针状贝氏体或无碳贝氏体一富碳奥氏体。这类球铁具有优良的综合机械性能、强度高、耐磨性好、韧性好、特别是有高的缺口韧性,可代替钢,用于制作重要受力结构件,如曲轴、齿轮、凸轮轴等。
CAS号:
性质:又叫奥-贝球铁。基体组织为奥氏体加贝氏体组织的球墨铸铁。这类球铁硅含量一般在1.4%~3.8%。含锰量小于0.5%,与普通球铁比较硅偏高、锰偏低。通过调节化学成分与热处理获得理想的奥-贝球铁的基体组织为针状贝氏体或无碳贝氏体一富碳奥氏体。这类球铁具有优良的综合机械性能、强度高、耐磨性好、韧性好、特别是有高的缺口韧性,可代替钢,用于制作重要受力结构件,如曲轴、齿轮、凸轮轴等。
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