关键词:界面元;粘弹性;脱粘;结构完整性 [gap=517]Key words: interface eIement method; viscoeIastic; debond; structuraI integraIity
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The 10° composites mostly occur friction between fibers and delamination in interface. The 45°composites are broken as a result of fiber pull out and interface debonding.
对于0°复合材料,其破坏机理主要是材料的韧性复式破坏,包括基体开裂、界面脱粘或分层、纤维纵向劈裂和丝束断裂;10°复合材料主要发生纤维之间的摩擦和界面的分层破坏;45°复合材料破坏则是纤维抽拔和界面脱粘的结果;而90°复合材料的破坏机理主要是界面脱粘、分层以及纤维的横向剥离。
参考来源 - PE/PE复合材料拉伸断裂过程声发射源特性之研究Numerical analysis method about interface debond on solid rocket motor is researched in this paper.
本文研究了适合于固体火箭发动机界面脱粘分析的数值方法。
参考来源 - 粘弹性界面断裂与固体火箭发动机界面脱粘研究·2,447,543篇论文数据,部分数据来源于NoteExpress
确定了合适的溶剂脱粘+、热脱粘+工艺。
The suitable solvent-thermal debinding and sintering processes were established.
用金刚锥显微脱粘法测得复合材料的界面强度。
The interfacial strength was measured using pyramidal diamond micro-debonding method.
通过数值模拟计算,进一步分析了界面疲劳脱粘的力学机理。
By numerical simulating computing, mechanical mechanism for interfacial fatigue debonding is analyzed further.
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