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热喷涂涂层界面断裂韧性的反向三点弯曲法试验
Alternative TitleThree-point reverse bending test of interfacial fracture toughness on thermal spraying coating
李巧莲; 张坤; 张凯; 彭青
Source Publication金属热处理
2010
Volume35Issue:1Pages:114-116
ISSN0254-6051
Abstract以热喷涂NiCrBSi涂层/钢基体为材料模型,利用将涂层置于受压侧的反向三点弯曲法试验,对热喷涂涂层界面断裂现象进行分析并建立相应的界面断裂韧性计算模型.结果表明,界面裂纹起始于三点弯曲试样中部,对应于加载压头与涂层接触区域正下方的界面上,并向两侧扩展,伴随涂层屈曲,形成分层屈曲的破坏形貌.根据分层屈曲形貌建立计算模型,通过分层屈曲几何参数与屈曲临界应力、涂层内真实应力以及界面断裂韧性的关系,获得界面断裂韧性值.
Keyword三点弯曲试验 热喷涂涂层 分层屈曲 界面断裂韧性
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Indexed ByCSCD
Language中文
Funding Organization国家自然科学基金面上项目(50471087)
CSCD IDCSCD:3804794
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Document Type期刊论文
Identifierhttp://dspace.imech.ac.cn/handle/311007/44022
Collection先进制造工艺力学实验室
Corresponding Author李巧莲
Recommended Citation
GB/T 7714
李巧莲,张坤,张凯,等. 热喷涂涂层界面断裂韧性的反向三点弯曲法试验[J]. 金属热处理,2010,35(1):114-116.
APA 李巧莲,张坤,张凯,&彭青.(2010).热喷涂涂层界面断裂韧性的反向三点弯曲法试验.金属热处理,35(1),114-116.
MLA 李巧莲,et al."热喷涂涂层界面断裂韧性的反向三点弯曲法试验".金属热处理 35.1(2010):114-116.
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