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- The fracture mechanisms were evaluated via the analysis of fracture behavior and toughness of the joints. 从焊接接头断裂行为及断裂韧度变化等方面探讨断裂机理及评价方法；
- Dynamic caustics method is introduced to study dynamic fracture behavior of a beam-column connection under impact. 摘要利用透射式动焦散线研究了冲击作用下梁柱节点的动态断裂特性。
- The microstructure and fracture behavior of 2091 Al Li alloy was studied by SIMS、TEM and SEM. 结果表明，2091合金具有明显的氢脆敏感性，氢降低合金原子间结合能。
- The effects of h-BN content on the fracture behavior and toughness of the h-BN/Si3N4 ceramic composites were investigated. 研究3h-BN含量对h-BN/Si3N4陶瓷复合材料断裂韧性及其断裂行为的影响.
- The microstructure,properties and fracture behavior of GTAW and EBW welded joints made by TA15 titanium alloy were investigat- ed. 对TA15钛合金氩弧焊和电子束焊焊接接头的性能与微观组织进行了分析研究,并结合断口观察,对其断裂行为进行了研究。
- The experimental results show that the notch shape has a great effect on the fracture behavior and fracture toughness measurement of brittle materials. 结果表明,中心切口圆盘试件的切口形状对断裂行为和断裂韧度的测试结果有显著的影响。
- GMCs is comparable in fracture behavior and strength to C/C materials but the former have better oxidation resistance than the latter. 梯度基复合材料具有与C/C材料相当的力学性能和相似的断裂行为;
- A coupled transient thermoelastic fracture behavior of a structure with an inclined crack subjected to a sudden cooling is investigated in this study. 摘要本文在探讨具有斜向裂缝平板表面承受冷负载作用下导致裂缝开裂破坏的问题。
- In order to make the full understanding the property of PUE, the test make the PUE bonding the aluminium plate, after that test the fracture behavior of the composite board. 为了充分了解聚氨酯弹性体的特性,将其和铝板进行复合研究其破裂行为,聚氨酯弹性体的裂纹走向受铝板的裂纹的牵引,沿着铝的裂纹方向破裂。
- Damage and fracture behavior of self-reinforced polyethylene (PE) composite under monotonic tensile loading were investigated by acoustic emission (AE) technique. 摘要用声发射(AE)技术研究了聚乙烯自增强复合材料的拉伸损伤与断裂行为。
- The material fracture behavior after the shaped charge liner collapsed is related to dynamic characteristic, content and distribution of impurity, grain size and morphology. 论述了药型罩被压溃后材料的破坏行为与材料的动态性能,杂质的含量及其分布,晶粒的大小和形貌有关。
- The paper introduced electron bean welding (EBW) and its characteristics, concluded strength mismatch in electron bean welded joints and its influence on fracture behavior. 介绍了电子束焊接加工技术的特征 ,总结了电子束焊接接头中存在的强度非匹配效应及其对断裂行为的影响。
- In-situ observations of fracture processes in scanning electron microscope were employed to study the tensile fracture behavior of the NEPE solid propellant. 采用原位拉伸扫描电镜技术对NEPE推进剂的单轴拉伸破坏过程进行了研究。
- In this paper,the fracture toughness for welded joint was measured at different loading rates,and the fracture behavior at dynamic loading was predicted suc... 在准确把握材料在动载荷下本构关系的基础上,通过局部法,实现了由静载断裂韧度值对动载下接头断裂行为的成功预测。
- He sometimes lapses from good behavior. 他有时候会行为失检。
- The fracture behaviors in superplastic deformation of 2091 Al Li alloy have been investigated. 研究了2091铝锂合金超塑变形的断裂行为。
- A kind of ZTA material is used in studying high temperation creep and delay fracture behaviors. 本文对一种ZTA材料的高温蠕变及延迟断裂行为进行了实验性研究。
- The microstructure and the tensile fracture behavior of Ti 3Al Nb (Ti 24Al 14Nb 3V 0.5Mo) (mole percent) alloy under different heat treatment conditions were studied by TEM and by means of S 570 SEM with tensile apparatus. 用透射电镜及备有拉伸装置的S?570扫描电镜，研究了Ti3Al?Nb（Ti?24Al?14Nb?3V?0.;5Mo）（摩尔百分数）合金在不同热处理制度下的组织形貌以及试样的拉伸断裂过程。
- In order to obtain the conformity between FEM analysis and the real condition of the metal fracture behavior,the general judgement method of metal fracture FEM analysis was discussed. 为获得金属各种断裂行为的有限元分析与实际情况的符合度,论述了金属材料在有限元分析中常见断裂的判断方法。
- The endurance life and fracture behaviors of directionally solidified superalloy DZ4 after pre-deformation and heat treatment were tested and analyzed. 对定向凝固DZ4合金机械预变形和热处理后的持久寿命与断裂行为进行了测试与分析,研究了再结晶对定向凝固DZ4合金持久行为的影响机制。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
