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| Evaluation of Characteristics of Non-Metallic Inclusions in P/M Ni-Base Superalloy by Automatic Image Analysis | |
| 摘 要： | |
Evaluation of Characteristics of Non-Metallic Inclusions in P/M Ni-Base Superalloy by Automatic Image Analysis |
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| Authors: | Li Xinggang Ge Changchun Shen Weiping |
| Abstract: | Non-metallic inclusions,especially the large ones,within P/M Ni-base superalloy have a major influence on fatigue characteristics,but are not directly measurable by routine inspection.In this paper,a method,automatic image analysis,is proposed for estimation of the content,size and amount of non-metallic inclusions in superalloy.The methodology for the practical application of this method is described and the factors affecting the precision of the estimation are discussed.In the experiment,the characteristics of the non-metallic inclusions in Ni-base P/M superalloy are analyzed. |
| Keywords: | Non-metallic inclusions Automatic image analysis Stereology Ni-base superalloy Inclusions Characteristics Evaluation Automatic Image Analysis experiment methodology practical application factors precision size estimation content automatic image analysis paper inspection superalloy major influence fatigue |
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