1) brittletough transition
脆/韧转变
2) ductile-to-brittle transition
韧脆转变
1.
Investigation and Application on Ductile-to-Brittle Transition Behavior of Ice;
冰的韧脆转变行为研究及应用
2.
Previous studies have demonstrated that self-excited vibration occurred during the ice speed at which ice fails in ductile-to-brittle transition (DBT) range.
分析表明,冰致平台自激振动发生在冰的韧脆转变的冰速范围内。
3) brittle-ductile transition
脆韧转变
1.
Percolation theory and percolation model of brittle-ductile transition of polymers;
逾渗理论及聚合物脆韧转变逾渗模型
2.
Brittle-ductile Transition of PP/EPDM/Elastiomeric Nano-meter Particle (ENP) Ternary Blends;
PP/EPDM/纳米弹性体粒子三元共混体系的脆韧转变
3.
A new criterion for brittle-ductile transition;
与断裂临界特征长度有关的聚合物脆韧转变判据
4) Ductile-brittle transition
韧脆转变
1.
The ductile-brittle transitions due to both temperature and torsional prestrain were discussed by means of the micoscopic parameter ln(Rc/Ro).
利用扫描电镜测量了BHW60钢、20钢和45钢拉伸试样断口心部的临界空穴扩张比Rc/Ro,并据此分析了由于环境温度和扭转预应变等因素引起的韧脆转变过程及其细观形态。
2.
In notched tensile test of PA-6,ductile-brittle transition is occurred with tensile velocity increasing accompaning crack propagation work decreasing.
在尼龙-6单边缺口拉伸实验中,随着拉伸速度增加,缺口拉伸断裂发生韧脆转变,同时伴随着裂纹扩展功的急剧降低。
5) ductile-brittle transition
韧-脆转变
1.
The dynamic fracture toughness(K_(Id)) and characteristic of the ductile-brittle transition of steel 921A in various temperature were determined.
文章研究了921A钢在不同温度下的动态断裂韧性KId及韧-脆转变特征,结合仪器化冲击曲线和断口形貌的特征测定了该钢低温状态下的温度效应。
2.
The results show that: the impact toughness of both base metal and weld metal decreases and the ductile-brittle transition temperature increases a little under pre-strain.
结果表明,预应变下,母材和焊缝的冲击韧度均有所降低,韧-脆转变温度有所提高,10%预应变后的焊缝其韧-脆转变温度低于室温(20℃),仍可在室温下安全使用,随预应变增加,材料的屈服强度与抗拉强度均有所提高,脆性断裂危险性增加。
6) brittle-tough transition
脆韧转变
1.
Study on PP toughened by EPDM and the mechsnism of brittle-tough transition;
EPDM增韧聚丙烯及其脆韧转变机理的研究
补充资料:脆性-韧性转变
分子式:
CAS号:
性质:物体的断裂行为发生脆性和韧性方式变化的现象。升高温度时可以看到聚合物由脆性断裂转变为韧性断裂,转变点的温度称为脆化温度或脆点。除温度外,应变速率、刻痕、交联和增塑等因素也可引起聚合物的脆性-韧性转变。一般认为当物体的屈服应力超过某一临界值时就发生脆性-韧性转变。
CAS号:
性质:物体的断裂行为发生脆性和韧性方式变化的现象。升高温度时可以看到聚合物由脆性断裂转变为韧性断裂,转变点的温度称为脆化温度或脆点。除温度外,应变速率、刻痕、交联和增塑等因素也可引起聚合物的脆性-韧性转变。一般认为当物体的屈服应力超过某一临界值时就发生脆性-韧性转变。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条