原始层厚比对Ni/Al多层含能结构材料放热性能及力学性能的影响

TB331; 采用化学镀和热压复合法制备微米级尺度的Ni/Al多层含能结构材料,研究层厚比对其组织结构、放热性能和力学性能的影响,并分析其失效模式.结果表明:Ni/Al多层含能结构材料界面结合良好,无金属间化合物生成;随着原始层厚比的增加,界面反应起始温度增高;层厚比为2/3的Ni/Al多层含能结构材料具有最高的能量密度,为1051.62 J/g,同时还具有良好的强度和塑性,其抗拉强度、伸长率和抗弯强度分别达285.05 MPa,8.87%和309.09 MPa;随着Ni/Al原始层厚比从1/2增加到1/1,抗拉强度和抗弯强度均提高,塑性降低,这与其成分和界面结构有关;Ni/Al多层含能结构材...

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Published in材料工程 Vol. 48; no. 12; pp. 156 - 162
Main Authors 丁青云, 骆心怡, 陶杰, 廖莎
Format Journal Article
LanguageChinese
Published 南京航空航天大学 材料科学与技术学院,南京 210016 20.12.2020
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ISSN1001-4381
DOI10.11868/j.issn.1001-4381.2019.000954

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Abstract TB331; 采用化学镀和热压复合法制备微米级尺度的Ni/Al多层含能结构材料,研究层厚比对其组织结构、放热性能和力学性能的影响,并分析其失效模式.结果表明:Ni/Al多层含能结构材料界面结合良好,无金属间化合物生成;随着原始层厚比的增加,界面反应起始温度增高;层厚比为2/3的Ni/Al多层含能结构材料具有最高的能量密度,为1051.62 J/g,同时还具有良好的强度和塑性,其抗拉强度、伸长率和抗弯强度分别达285.05 MPa,8.87%和309.09 MPa;随着Ni/Al原始层厚比从1/2增加到1/1,抗拉强度和抗弯强度均提高,塑性降低,这与其成分和界面结构有关;Ni/Al多层含能结构材料失效模式为分层与断裂混合破坏,且随着层厚比的增加,界面分层现象加剧.
AbstractList TB331; 采用化学镀和热压复合法制备微米级尺度的Ni/Al多层含能结构材料,研究层厚比对其组织结构、放热性能和力学性能的影响,并分析其失效模式.结果表明:Ni/Al多层含能结构材料界面结合良好,无金属间化合物生成;随着原始层厚比的增加,界面反应起始温度增高;层厚比为2/3的Ni/Al多层含能结构材料具有最高的能量密度,为1051.62 J/g,同时还具有良好的强度和塑性,其抗拉强度、伸长率和抗弯强度分别达285.05 MPa,8.87%和309.09 MPa;随着Ni/Al原始层厚比从1/2增加到1/1,抗拉强度和抗弯强度均提高,塑性降低,这与其成分和界面结构有关;Ni/Al多层含能结构材料失效模式为分层与断裂混合破坏,且随着层厚比的增加,界面分层现象加剧.
Author 陶杰
廖莎
骆心怡
丁青云
AuthorAffiliation 南京航空航天大学 材料科学与技术学院,南京 210016
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DING Qing-yun
LUO Xin-yi
TAO Jie
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DocumentTitle_FL Effects of original layer thickness ratio on exothermic and mechanical properties of Ni/Al multilayered energetic structural composites
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Issue 12
Keywords 热压
力学性能
放热性能
原始层厚比
镍/铝多层含能结构材料
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Title 原始层厚比对Ni/Al多层含能结构材料放热性能及力学性能的影响
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