常見例句雙語例句Welding the utmostly important structure, such as petroleum platform on ocean, pressure containers, etc. The low-temperature impact toughness of deposited metal is extremely strong.焊接十分重要的結構,如海洋石油平臺、壓力容器等,熔敷金屬低溫性能優(yōu)異。The anisotropic characteristic which usually exists in materials disappeared completely especially the notch - impact toughness at the transverse direction was increased by 2-3 times.因此在通常材料中所存在的各向異性完全消失,特別是缺口沖擊韌性橫向性能值提高了2~3倍。The extra-cryogenic impact toughness and influence factors of the high-Mn austenitic steel are studied by means of the Charpy V-notch impact test and the SEM fractured appearance analysis.本文通過在超低溫下的V型缺口夏比沖擊試驗和SEM斷口分析研究了高錳奧氏體鋼的沖擊韌性及其影響因素。 返回 impact toughness