DWTT

基本解釋

DWTT separation fracture has been analyzed for pipe line steel.
摘要文章對(duì)管線鋼DWTT試樣上出現(xiàn)的分離斷口進(jìn)行了分析。
Causes of DWTT specimen failure for medium thickness pipe are material brittleness addition and V-shape nick.
簡單分析了中厚壁鋼管產(chǎn)生DWTT無效試樣的原因是材料脆性增加和試樣V形缺口。
It obtains low temperature toughness of China made grade X80 LSAW pipe by Charpy impacting test and DWTT.
通過夏比沖擊試驗(yàn)和落錘撕裂試驗(yàn)(DWTT),測得國產(chǎn)X80級(jí)直縫埋弧焊接鋼管低溫韌性。
The calculated (CTOA) C by above formula from C V is coincidence well with that by the formula from DWTT.
用管材Charpy沖擊韌性CV 試驗(yàn)結(jié)果計(jì)算得到的 (CTOA) C 與用DWTT試驗(yàn)結(jié)果的經(jīng)驗(yàn)公式計(jì)算得到的 (CTOA) C 非常吻合。
The conclusions show that the abnormal fracture surfaces of DWTT on X70 line pipe have four types.
結(jié)果表明,厚壁X70管線鋼DWTT異常斷口有4種類型。