• If welding procedure tests have been performed at both a high and a low heat input level, then all intermediate heat inputs are also qualified.

    如果焊接工艺试验在高热输入值和低热输入值下进行,那么,中间的热输入也应合格。

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  • A new large heat input welding high strength low alloy steel with low susceptivity to weld cold cracking was developed and the cold strain aging behavior was investigated.

    研制了一种低焊接裂纹敏感性高能量输入焊接用低合金高强钢,并研究了其冷应变时效行为。

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  • So the heat input should be kept low to weld galvanization steel sheet. In this paper the MIG welding machine is adopted with special sold…

    因此,焊接镀锌板一定要减少热输入量,采用特殊的钎焊材料和性能优良的MIG焊机进行焊接。

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  • The coarse primary ferrite appeared in weld metal, and coarse bainite appeared in heat-affected zone under larger heat input welding condition, which caused low...

    在较大焊接热输入条件下焊接,焊缝金属产生粗大先共析铁素体、过热区产生粗大粒状贝氏体,焊接接头低温冲击韧性因此降低。

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  • Crystalline resins have a very sharp melting point and require significant energy (heat) input before they undergo a phase change and melt to a low viscosity.

    结晶型树脂有很尖锐的熔点,要求大量的热能才能进行相转变并熔融到一种低粘状态。

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  • The hardness test show that the weld hardness with high welding heat input is higher than that with low welding heat input.

    硬度测试结果表明,大线能量焊接热处理后焊接接头的硬度高于小线能量焊接的焊接接头硬度。

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  • A new low alloying steel with low susceptibility to weld cold cracking has been developed for large heat input welding in pressure vessel engineering.

    试验结果表明,该钢具有焊接冷裂纹倾向低、可用大线能量焊接、焊后不宜进行消氢处理等特点,可用作高强度大焊接线能量用钢。

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  • The results also show that the pressure drop of the two kinds of heat sinks is little influenced by power input under the low approaching velocity.

    在低风速下,加热功率对这两种散热器压降的影响也不大。

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  • The results also show that the pressure drop of the two kinds of heat sinks is little influenced by power input under the low approaching velocity.

    在低风速下,加热功率对这两种散热器压降的影响也不大。

    youdao

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