1b:I[5479,["https://static.1px.tw/blog-next/_next/static/chunks/d4d39cfc2a072218.js","https://static.1px.tw/blog-next/_next/static/chunks/6a5d72c05b9cd4ba.js","https://static.1px.tw/blog-next/_next/static/chunks/8af6103cf1375f47.js","https://static.1px.tw/blog-next/_next/static/chunks/6fc86f1438482192.js","https://static.1px.tw/blog-next/_next/static/chunks/a4df8fc19a9a82e6.js","https://static.1px.tw/blog-next/_next/static/chunks/c2622454eda6e045.js","https://static.1px.tw/blog-next/_next/static/chunks/ed01c75076819ebd.js","https://static.1px.tw/blog-next/_next/static/chunks/2e36e9e8b0cc3782.js"],"default"] 1c:I[38045,["https://static.1px.tw/blog-next/_next/static/chunks/d4d39cfc2a072218.js","https://static.1px.tw/blog-next/_next/static/chunks/6a5d72c05b9cd4ba.js","https://static.1px.tw/blog-next/_next/static/chunks/8af6103cf1375f47.js","https://static.1px.tw/blog-next/_next/static/chunks/6fc86f1438482192.js","https://static.1px.tw/blog-next/_next/static/chunks/a4df8fc19a9a82e6.js","https://static.1px.tw/blog-next/_next/static/chunks/c2622454eda6e045.js","https://static.1px.tw/blog-next/_next/static/chunks/ed01c75076819ebd.js","https://static.1px.tw/blog-next/_next/static/chunks/2e36e9e8b0cc3782.js"],"ArticleHead"] 18:["$","script",null,{"id":"json-ld-breadcrumb-script","type":"application/ld+json","dangerouslySetInnerHTML":{"__html":"{\"@context\":\"https:\\u002F\\u002Fschema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"首頁\",\"item\":\"https:\\u002F\\u002Fleometwu.pixnet.net\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"部落格\",\"item\":\"https:\\u002F\\u002Fleometwu.pixnet.net\\u002Fblog\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"文章\",\"item\":\"https:\\u002F\\u002Fleometwu.pixnet.net\\u002Fblog\\u002Fposts\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"不良球墨\",\"item\":\"https:\\u002F\\u002Fleometwu.pixnet.net\\u002Fblog\\u002Fposts\\u002F10350720101\"}]}"}}] 1d:T481,

一失效齒輪內所見微裂(micro cracks): 球化率~75% 有不少不良球墨. 所以疲勞壽命No Good.. 疲勞破裂皆始於微裂, 不生微裂, 就無疲勞破裂發生.

標尺長: 10 um

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