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Development of a Nondestructive Testing Technique to Determine Flaw Criticality

机译：确定缺陷临界性的无损检测技术的发展

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The report presents the findings of a study to develop a nondestructive testing technique to determine flaw criticality based upon stress-wave emission. The research included an evaluation of various sensors and instrumentation systems, and several materials and material conditions tested to failure in rising load and low-cycle, high-stress-intensity fatigue. The fracture testing utilized a linear-elastic fracture-mechanics approach. Acoustic emission was the basis of the nondestructive inspection technique. The stress-wave-analysis technique (SWAT) was shown to be a highly sensitive nondestructive inspection method, capable of detecting growing defects at least an order of magnitude smaller than any other known NDI method and, with a computerized system, capable of locating one or more defects in real time. (Author)

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作者
Harbower, C. E.; Morais, C. F.; Reuter, W. G.;
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年度 1972
页码 p.1-242
总页数 242
原文格式 PDF
正文语种 eng
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关键词
Non-destructive testing ; Acoustic detectors ; Rocket cases ; Defects(Materials) ; Rocket motors(Solid propellant) ; Austenite ; Aluminum alloys ; Titanium alloys ; Cracks ; Crack propagation ; Emissivity ; Detection;

机译：无损检测;声波探测器;火箭弹;缺陷（材料）;火箭发动机（固体推进剂）;奥氏体;铝合金;钛合金;裂纹;裂纹扩展;发射率;探测;

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Development of a Nondestructive Testing Technique to Determine Flaw Criticality

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