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1)  ductile damage
韧性损伤
1.
Resistance method of ductile damage measurement of metallic materials;
金属材料韧性损伤测量的电阻法
2.
Based on Lee's plastic yield function for porous material, and hypothesis that fracture initiation occurs when the void density is accumulated to a critical value,a new ductile damage model for porous material was derived.
以Lee多孔材料屈服模型为基础 ,并假设空穴密度积累到一临界值时 ,材料出现裂纹 ,推导出适用于多孔材料的韧性损伤模型。
3.
Based on the ductile damage and fracture thereom and finite element method, the core damage and fracture of the bimetal with harder core and softer sleeve under various parameters were investigated, and the ductile damage evolution of the core was discovered.
文中基于韧性损伤和断裂理论以及有限元分析方法,针对芯层金属较硬、套层金属较软的双金属的正挤压成形,研究了不同参数条件下芯层金属的韧性损伤和断裂,揭示了芯层金属的韧性损伤演化规律。
2)  ductile damage criteria
韧性损伤判据
1.
FEM simulation of three-point bending and dynamic axial crashing were preformed for thin-wall aluminum extruded tubes by using ductile damage criteria,shear damage criteria,and MSFLD damage criteria.
使用韧性损伤判据,剪切损伤判据和MSFLD损伤判据分别对铝合金薄壁管在三点弯曲(3PB)和轴向冲击载荷作用下的试验进行有限元模拟。
3)  ductility exhaustion damage
韧性耗散损伤
4)  plastic porously damage
韧性孔洞损伤
5)  ligament injury
韧带损伤
6)  Chronic Supraspinal Ligament Injury
慢性棘上韧带损伤
1.
Contrast Study on the Treatment of Chronic Supraspinal Ligament Injury with Pi-Zhen Combined with Traditional Dianxue and Block Therapy;
铍针配合传统点穴与封闭治疗慢性棘上韧带损伤的对比研究
补充资料:超韧性聚甲醛
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性质:又称超韧性聚甲醛。多采用机械共混法制备。一般需要在高剪切力的双螺杆挤出机或密炼机中进行。它具有如下特性:(1)韧性高,改共混物的缺口冲击强度为聚甲醛(POM)的7倍,无缺口冲击强度为POM的30倍,而且比PC高10倍;(2)吸湿性小,从而保证了制品的尺寸稳定性;(3)耐溶剂性、耐应力开裂性优于PC。以100ST为例,密度1.34g/cm3,拉伸强度46MPa,断裂伸长率200%,弯曲模量1.41GPa,热变形温度(1.86MPa负荷)90℃,悬臂梁缺口冲击强度940J/m。适于制造汽车、农业机械、电器、机械、建筑、运输和精密仪器的零部件等。

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