Abstract:
E71T-8J型自保护药芯焊丝具有优良的全位置操作性,电弧稳定,飞溅率小,易脱渣,焊缝成型美观。焊缝熔敷金属抗拉强度合格,断面延伸率高,-40℃低温冲击韧性达110-205J。焊缝显微组织以细小均匀的块状铁素体和针状铁素体为主,焊缝夹杂物形状规则,主要呈圆形,尺寸主要介于0.2-1.0μm之间。力学性能满足AWSA5.20对E71T-8J的要求,可用于重要低温结构焊接。
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Year: 2010
Language: Chinese
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WoS CC Cited Count: 0
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ESI Highly Cited Papers on the List: 0 Unfold All
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30 Days PV: 10
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