【摘要】 本文运用宏观、微观金相及ＳＥＭ等方法，并结合油底壳的受力条件，对６１０６Ａ船用柴油机油底壳开裂原因进行分析。结果表明：开裂的原因是材质，既存裂纹及受力状态等综合因素所致。作者对开裂过程进行探讨并提出了防止措施。更多还原

【Abstract】 This paper shows that cause of crack of marine diesel engine oil chasis is due to factors of material,existed crack and state of loading compositely.The author has investigated process of cracking and gives forth protective measures.更多还原