江西省南(nan)昌(chang)市無損(sun)標準缺陷試塊批發哪(na)家(jia)最(zui)有保障

金屬(shu)材(cai)(cai)(cai)(cai)料(liao)在(zai)載(zai)荷作用(yong)(yong)(yong)下抵抗破壞(huai)的(de)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)，稱為機(ji)械性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)（或稱為力學性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)）。金屬(shu)材(cai)(cai)(cai)(cai)料(liao)使(shi)(shi)用(yong)(yong)(yong)性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)的(de)好壞(huai)，決定了它(ta)的(de)使(shi)(shi)用(yong)(yong)(yong)范(fan)圍與(yu)使(shi)(shi)用(yong)(yong)(yong)壽命，金屬(shu)材(cai)(cai)(cai)(cai)料(liao)的(de)機(ji)械性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)是零件的(de)設計和(he)選(xuan)材(cai)(cai)(cai)(cai)時(shi)的(de)主要(yao)依據(ju)，外(wai)加載(zai)荷性(xing)(xing)(xing)質不同（例如(ru)、、、沖(chong)(chong)擊、循環(huan)載(zai)荷等），對金屬(shu)材(cai)(cai)(cai)(cai)料(liao)要(yao)求的(de)機(ji)械性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)也將不同。常用(yong)(yong)(yong)的(de)機(ji)械性(xing)(xing)(xing)能(neng)(neng)(neng)(neng)包括：強度(du)、塑(su)性(xing)(xing)(xing)、硬度(du)、沖(chong)(chong)擊韌(ren)性(xing)(xing)(xing)、多次(ci)沖(chong)(chong)擊抗力和(he)疲勞極限(xian)等。