文章详细信息 关键词： 增压器涡轮;;K18合金;;疲劳断裂;;铸造缺陷 [gap=599]Keywords: supercharger turbo;K18 superalloy;fatigue fracture;casting defect
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Casting defect solution experience 解决铸件缺陷的经验
Die-casting defect 压铸缺陷
blade with casting defect 叶片铸造缺陷
Prediction of casting defect 铸造缺陷预测
casting defect repair machine 铸造缺陷修补机
repairing machine to casting defect 铸造缺陷修补机
Defect casting 铸件缺陷
casting surface defect 铸件表面缺陷
zero defect casting [机] 无缺陷铸件
But with the rapid development applicationof the technology, casting defect was emerged especially in large castings, andsometimes resulted in reject.
但是，随着电渣熔铸技术的不断推广应用，尤其在生产大型铸件时，也会出现内部铸造缺陷，最终导致铸件报废。
参考来源 - 电渣熔铸大型水轮机导叶内部缺陷研究In casting defect recognition of an X-Ray image,due to the complex image background,it is difficult to do segmentation with traditional segmentation technology for interested regions,in which the defects are intense.
在利用X射线对铸造缺陷识别的过程中,由于X光图像中铸件形成的背景复杂,传统的区域分割技术难以分割出缺陷集中的兴趣区域。
参考来源 - 一种在铸件缺陷识别中的区域分形分割方法 in C·2,447,543篇论文数据，部分数据来源于NoteExpress
以上来源于: WordNet
Numerical simulation for casting process may optimize craft design, shorting trial cycle, cut the cost, decrease casting defect and assure the casting quality.
铸造过程的数值模拟可以优化工艺设计，缩短产品试制周期，降低成本，减少铸件缺陷，确保铸件质量。
The results showed that the root reason for valve body failure was seriously casting defect exist and its big and density shrinkage porosity form the original crack;
结果得出：阀体失效的主要原因是阀体本身存在严重的铸造缺陷，铸造疏松严重、孔洞尺寸大乃于形成原始裂纹源；
The results show that the partial unmelted region, casting defect structure and secondary crack form in the welding seam, which result in the low stress breakage of the samples.
结果表明：在焊缝区域内存在着局部未熔区以及铸造疏松组织和二次裂纹等缺陷，这是导致试样低应力断裂的根本原因。
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