热加工工艺
熱加工工藝
열가공공예
HOT WORKING TECHNOLOGY
2010年
1期
27-28,32
,共3页
07MnNiCrMoVDR钢%低温韧性%韧脆转变温度
07MnNiCrMoVDR鋼%低溫韌性%韌脆轉變溫度
07MnNiCrMoVDR강%저온인성%인취전변온도
07MnNiCrMoVDR steel%low-temperature toughness%ductile-brittle transition temperature
以07MnNiCrMoVDR钢及其焊接接头为试验对象.通过冲击试验,分析了温度对焊接接头性能的影响以及韧脆转变温度的确定.试验结果表明,07MnNiCrMoVDR钢焊接接头的低温韧性随着温度的降低而降低;焊接接头各区的韧脆转变温度均低于最低使用温度(-40℃),满足实际工矿的使用要求.
以07MnNiCrMoVDR鋼及其銲接接頭為試驗對象.通過遲擊試驗,分析瞭溫度對銲接接頭性能的影響以及韌脆轉變溫度的確定.試驗結果錶明,07MnNiCrMoVDR鋼銲接接頭的低溫韌性隨著溫度的降低而降低;銲接接頭各區的韌脆轉變溫度均低于最低使用溫度(-40℃),滿足實際工礦的使用要求.
이07MnNiCrMoVDR강급기한접접두위시험대상.통과충격시험,분석료온도대한접접두성능적영향이급인취전변온도적학정.시험결과표명,07MnNiCrMoVDR강한접접두적저온인성수착온도적강저이강저;한접접두각구적인취전변온도균저우최저사용온도(-40℃),만족실제공광적사용요구.
07MnNiCrMoVDR steel and welded joint were studied. The effects of temperature on low-temperature toughness and define ductile-brittle transition temperature of 07MnNiCrMoVDR steel were studied by impact test. The results show that low-temperature toughness of 07MnNiCrMoVDR welded joint decreases with the decrease of temperature. The ductile-brittle transition temperature of welded joint is less than the lowest used temperature (-40℃). So, 07MnNiCrMoVDR steel and welded joint can meet the request of application.
