GS13 鋳鉄製シリンダブロックにおける片状黒鉛近傍の応力分布に関する有限要素解析(GS-3 一般セツション3,一般セッション)

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  • GS13 Finite Element Analysis for Stress Distribution around Flaky Graphite of Cylinder Block of Gray Cast Iron

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The stress distribution near the tip of flaky graphite of gray cast iron used for diesel engine cylinder block was calculated by the fmite element method, and compared with results of varied six finite element models, value of theory of stress intensity factor and value of stress concentration factor mutually. The value of stress distribution near the tip of flaky graphite of fmite element model with single hole and value of theory of stress intensity factor and stress concentration factor was almost equal. The ratio of stress distribution near the tip of flaky graphite of fmite element model with single graphite and stress distribution of finite element model with single hole was almost uniform about sampled three graphite. The ratio of stress distribution near the tip of flaky graphite of finite element model with single hole and finite element model with multi holes model was not uniform about sampled three graphite. These results were showed that the stress distribution near the tip of flaky graphite of gray cast iron was influenced by distribution of graphite.

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