1)  brittle-ductile transition
脆-韧转变
1.
The mechanical properties, brittle-ductile transitions of PP/POE/nano-CaCO3 composites and their relationships with the content of nano-CaCO3 and POE pariticle sizes were investigated.
研究了PP/POE/纳米CaCO3复合材料的力学性能、脆-韧转变规律及其与纳米CaCO3含量、分散相POE 粒径的关系。
2)  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
3)  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
4)  Brittle-to-ductile transition
脆韧转变
1.
The brittle-to-ductile transition of poly(butylene terephthalate) synergistically toughened by anhydride grafted poly(ethylene-octene) copolymer elastomer(POE-g-MAH) and thermoplastic resin(PC) was investigated.
研究马来酸酐接枝乙烯-辛烯共聚物弹性体(POE-g-MAH)和热塑性树脂(PC)协同增韧聚对苯二甲酸丁二酯的脆韧转变,借助扫描电镜(SEM)观察分析增韧体系的相形态和断口形貌,并对增韧机理进行探讨。
5)  brittle tough transition
脆韧转变
1.
The brittle tough transition is effected by the temperature and EPDM-g-GMA content, and the brittle tough transition temperature decreases by increasing EPDM-g-GMA content.
聚萘二甲酸乙二酯 (PEN) /EPDM g GMA共混物的脆韧转变主要受温度和EPDM g GMA用量的影响 ,增加EPDM g GMA用量可以降低PEN/EPDM g GMA共混物的脆韧转变温度。
2.
Combining the calculated results with the brittle tough transition equation, the effect of the mechanical properties of dispersed phase on brittle tough transition of polymer blends was studied.
从Goodier方程出发,研究了球形分散相周围基体中的形变能密度分布及其与分散相力学性能的关系,将所得结果结合前文给出的聚合物共混体的脆韧转变方程讨论了分散相的力学性能对聚合物共混体脆韧转变的影响,结果与实验一致。
3.
The influence of the EPDM content and the CaCO 3 surface treated way on the Charpy impact strength and the brittle tough transition of PP/EPDM/CaCO 3 blends was investigated by using scaning electron microscope and material universal testing machine.
采用扫描电镜和材料力学性能试验方法研究了PP/EPDM/CaCO3三元体系中CaCO3的表面处理与其材料的缺口冲击韧性及产生脆韧转变现象之间的关系。
6)  brittletough transition
脆/韧转变
参考词条
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。

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