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- austenite grain evolution 奥氏体演化
- Normalization procedure was added before the transverse rolling for improving steel austenite grain fineness and removing mischcrystal structure. 在横轧前增加正火工序,改善钢的奥氏体晶粒度,消除混晶组织。
- Normalization procedure was added before the transverse rollingfor improving steel austenite grain fineness and removing mischcrystal structure. 在横轧前增加正火工序,改善钢的奥氏体晶粒度,消除混晶组织。
- Either coarse or column austenite grain can decrease the toughness of welding metal,and the ways to improve the toughness of wel... 奥氏体晶粒粗大及奥氏体柱状晶都能够降低焊缝的韧性,并提出了改善焊缝韧性的途径。
- Austenite grain size of plain carbon steel and alloy steel were examined by oxidization and grain boundary etching method. 采用氧化法和晶粒边界腐蚀法对几种不同的碳钢和合金钢的奥氏体晶粒的显示进行了对比试验。
- During the fast cooling process of solution treatment, nonequilibrium segregation of manganese was produced at austenite grain boundaries. 在固溶处理时快速冷却过程中锰在奥氏体晶界产生不平衡偏聚。
- Chain shape ferrites were observed on austenite grain boundary in coarse grain zones and the distribution of ferrites was discontinuous. 细小裂纹是由钢板表面残留氧化铁皮引起的。
- The variation of volume fractions for static and dynamic recrystallization, and austenite grain size during rolling process are obtained by model calculation. 通过对再结晶动力学模型的解析，得到了静态再结晶、动态再结晶的分数以及奥氏体晶粒在轧制过程中的变化情况；
- The influence of deforming temperature as well as primal austenite grain sizes and holding time on the microstructure of transformation were investigated. 通过热模拟实验,考察了在不同变形温度和不同奥氏体晶粒尺寸等条件下保温对低碳钢形变后组织演变的影响。
- The results show that the cerium as solid solute in steel can inhibit the austenite grain growth and enhance the grain coarsening temperature by 50 K at least. 固溶于钢中的微量铈有抑制奥氏体晶粒粗化的作用,至少可使奥氏体晶粒粗化温度提高50K以上;
- The effects of deformation temperature, strain rate, deformation degree, and initial austenite grain size on the static recrystallization behaviors were studied. 讨论变形温度、应变速率、变形程度与初始奥氏体晶粒尺寸对其静态再结晶行为的影响。
- In this work, xW is about 11 times of the original austenite grains. 在本研究中，xW约为原始奥氏体晶粒大小的11倍。
- The hot austenite grain distribution and the phase composition at normal temperature were obtained with the aid of metallographic analysis method after the rolled workpieces were divided at the specified position on the linear cutting machine. 对轧后工件进行指定位置线切割取样，并用金相分析法得到变形后工件的高温奥氏体晶粒尺寸分布及低温相组成。
- This paper advanced a study method that can observe plastic deformation behavior of surface layer of die cavity by showing austenite grain, size, crack morphology and propagation mode. 提出了通过显示奥氏体实际晶粒度、裂纹形貌和扩展方式来分析热锻模具型腔表层塑性变形行为的试验方法。
- The results indicated that,under the conditions of quasi as cast technology,the bainite can nuc leate not only on the austenite grain boundaries,but on the interface of graphite/austenite. 当贝氏体在片状石墨界面形核时，在石墨端部一般形成上贝氏体，侧面形成下贝氏体；
- Macrographic determination of the ferritic or austenitic grain size of steels. 钢的铁素体或奥氏体晶粒度的测度。
- Serious mischcrystal and extremely coarse austenite grains lead to the production of this kind of abnormal structure. 产生这种组织的主要原因是50车轴钢锻造后混晶现象严重及存在特别粗大晶粒。
- The existence of intragranular ferrite can refine austenite grains and enhance the strength and toughness of the steel. 通过晶内铁素体的析出细化了晶粒,提高了钢的强度与韧性。
- Though recrystallization may refine austenite grain, it depletes large quantities of defects in austenite grains, which will retards the phase transformation process. 再结晶虽然可能细化了晶粒，但大量消耗了热变形奥氏体中的晶体缺陷，其结果是迟滞了相变过程。
- The precipitation of intragranular ferrite will refine austenite grains and enhance the strength and toughness of steel. 晶内铁素体的析出细化了晶粒，提高了钢的强度与韧性。
