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Microstructures and Properties of the Fine Grain GH4169 Alloy Bars and the Radial Forging Process
Pages: 52
Year: Issue:  3
Journal: Bao-Steel Technology

Keyword:  GH4169合金径锻机锻棒;
Abstract: 介绍了我国第一台13 MN液压式径锻机及其在国内首次研制出的中等规格系列GH4169合金10级左右晶粒细晶棒材的组织与性能.与传统的自由锻锤、快锻技术相比,径锻工艺生产的GH4169合金棒材在心部区域晶粒显著细化的同时,边缘冷变形纽织也得以显著改善;不同部位晶粒度、δ相的差异大幅度缩小,因而棒材各部位,尤其是近表面具有更良好的综合性能;工艺更稳定可控,棒材的平直度和表面质量也有明显改善,因而产品质量更稳定,成材率也有较大幅度的提高.
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