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Process of Shaped Metal Billets Production from Compositions Based on Iron Powder, Iron Oxide, and Binder

机译:由铁粉,氧化铁和粘合剂组成的金属异型坯生产工艺

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A new technology of metal billets production by molding and thermal treatment of compositions based on iron powders of medium dispersion, fine powders of iron oxide, and the thermosetting binder, which provides for the required physical and mechanical properties of the material, is proposed. It is found that, at a certain concentration and dispersion of the components of the solid phase, the injection and direct compression molding of parts of complex shape (similar to the MIM-technology) is possible at pressures from 70 MPa to 100 MPa ensuring uniform density over the cross section. The established stages of thermal treatment of compositions, thermal behavior and protective medium ensuring uniformity of products, and chemical composition of the product material are presented in the paper. The experimental and theoretical studies of the dimensional accuracy of steel products obtained by the developed technology were carried out, and it was discovered that the produced parts were of the precision of steel parts produced by MIM-technology. Iron powder; powder of iron oxide; thermosetting binder; producing technologies; material structure; dimensional accuracy.
机译:提出了一种新的金属坯料生产技术,该技术通过模制和热处理基于中等分散性铁粉,氧化铁细粉和热固性粘结剂的组合物来提供所需的材料物理和机械性能。结果发现,在固相成分的一定浓度和分散度下,可以在70 MPa至100 MPa的压力下对复杂形状的零件(类似于MIM技术)进行注塑和直接压缩成型,以确保均匀横截面的密度。本文介绍了成分热处理,热行为和保护介质以确保产品均匀性以及产品材料化学成分的已建立阶段。对通过该技术获得的钢材尺寸精度进行了实验和理论研究,发现所生产的零件具有MIM技术生产的钢材零件的精度。铁粉;氧化铁粉;热固性粘合剂;生产技术;材料结构尺寸精度。

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