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- impact fracture energy 冲击断裂能
- Vinylon fibre can improve the bending strength, fracture energy, fracture toughness and impact toughness. 维尼纶纤维能提高复合材料的杭折强度、断裂能、断裂韧性和冲击韧度;
- With the increase of crystallinity , the crack initialing energy tends to growth, the crack extension energy tend to decreasing, the fractal dimension on impact fracture surface decrease. 分子量分布宽度的变化对各晶面法向晶粒尺寸的大小基本无影响。
- LME of impact fracture were measured.Fractography of instrumented impact were analyzed by SEM. 测量了冲击断口试样的横向扩张量,利用扫描电镜分析了示波冲击断口形貌。
- The fracture energy of S-P hybrid fiber RPC using three-point bending test in Instron machine was tested. 摘要通过三点弯曲梁法测试了钢纤维、混杂纤维(钢纤维、聚丙烯纤维)增强RPC试件的断裂能。
- Fracture energy and crack length, as two imperative parameters of aggregates, can't be measured by usual methods. 摘要断裂能和断裂区长度作为骨料的重要参数无法通过常规方法进行检测。
- Do 86-year-old old people , innominate bone and thigh link place fracture energy operation? 您的位置:凡人谷知道>医疗健康>86岁老人,胯骨和大腿连接处骨折能手术么?
- The results indicted that the better resistance to impact fracture and abrasion for the test grinding balls could be obtained by making use of a ... 结果表明,该球经适当的余热热处理可获得较高的抗多冲击破坏能力与耐磨性能。
- The relationship between the phase structure, the impact fracture mechanism and the impact strength of the blends was investigated. 研究了共混体的相结构、冲击断裂机理和冲击强度之间的关系。
- Concrete fracture energy is forecasted by the model based on BP (Back-propagation) network, which is widely used in Neural Network. 通过神经网络中最广泛使用的BP网络建立预测模型,预测混凝土的断裂能。
- The microstructure, properties and impact fracture toughness of welded joints of Ti and Ti alloy by using tungsten-argon arc welding were studied. 研究了钛及钛合金经钨极氩弧焊焊接接头的显微组织、力学性能和冲击断裂特征。
- This paper deals with the adhesive state of amorphous Ni P alloy plating using impact fracture test method and also measuring the adhesive strength of the plating quantitatively. 用金相冲击断口法研究了化学沉积非晶态镍磷合金层与基体的结合状况,并用扭转法定量测量了化学沉积合金层的附着强度参数。
- The mechanical and failure characteristics of SFHPC beams in bending test can be described well by using fracture energy and flexural toughness indices together. 综合利用断裂能和弯曲韧性指标,才能更全面地描述混凝土在弯曲过程中的受力与破坏特征。
- The results show that the in-terfacial adhesion strength increased noticeably for composites of active aramid fiber but the fracture energy of the interface decreased. 实验结果证明,芳纶表面改性显著提高了其复合材料界面的粘结强度,相反却降低了其界面断裂能。
- Compared to the marked steel fiber with lower strength, the hooked steel fiber with higher strength has better effects on the flexural toughness and fracture energy of HPC. 与低强凸痕型钢纤维相比,端部带弯钩的高强钢纤维对高性能混凝土弯曲韧性和断裂能的提高效果更为显著。
- The fracture energy and loading phase of the interface were taken as the essential microstructural parameters and the toughening mechanisms were discussed. 研究表明界面的两个重要断裂参数(界面断裂能和混合度)是控制复合材料破坏模式与增韧机理的关键参数。
- In this article, the morphological structures of Izod impact fractured surfaces of several gun propellants are studied. 本文还就如何改善硝胺和硝基胍发射药的冲击断裂性能提出了一些建议。
- In comparison with unmodified epoxy resin, the impart strength of modified epoxy resin by FH type polyether polyols has increased by 124%, the fracture toughness ratio by 89%, and the fracture energy ratio by 260%. 与未改性的环氧树脂相比,用FH聚醚多元醇改性环氧树脂的冲击强度增加124%25,断裂韧性比增加89%25,断裂能比增加260%25。
- High pore fluid pressure and high temperature circumstance may result in decline of the peak value of the shear fracture energy curve, making the depths of the peak value and of the bell waist value deepened. 高孔隙压力和地温环境可导致剪切破裂能曲线的峰值降低、峰值和铃腰值所在的深度下移 .
- There are obvious differences in the impact fractures and erosive-wear fractures of the Cr-Mn-Cu alloy white cast iron test samples. 试验材料的冲击断口形貌和冲蚀磨损形貌上也有明显的区别。
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