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首頁> 外文期刊>Inorganic materials: applied research >The Influence of Carbonyl Iron Powder, Grade VK, on Compactability and Strength Properties of Sintered Atomized Iron Powder, Grade PZhRV 2.200.26
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The Influence of Carbonyl Iron Powder, Grade VK, on Compactability and Strength Properties of Sintered Atomized Iron Powder, Grade PZhRV 2.200.26

機譯：羰基粉末，級VK的影響，對燒結(jié)霧化鐵粉的壓縮性和強度性能，等級PZHRV 2.200.26

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摘要

This article discusses the influence of carbonyl iron powder, grade VK, on compactability, sintering, and mechanical properties of samples made of atomized iron powder, grade PZhRV 2.200.26, produced on commercial scale in Russia. It is demonstrated that the relative density of compacted samples made of dispersed PZhRV 2.200.26 iron powder can be increased by addition of particles of carbonyl iron powder, grade VK, which are predominantly located in pores between the particles of atomized powder. Additional introduction of solid lubricants in PZhRV 2.200.26 and VK mixture does not lead to further increase in relative density of pressed samples (more than 90%). It is established that addition of the VK carbonyl powder to the atomized PZhRV 2.200.26 powder in the amount of 15-20 wt % atomized the bending strength of green compacted pieces because of difficulties of plastic deformation of atomized particles into pores, but it increases the bending strength of the material after sintering owing to more developed contacts.
機譯：本文討論了羰基粉末，級VK對由俄羅斯商業(yè)規(guī)模生產(chǎn)的霧化鐵粉，級PZHRV 2.200.26等級的樣品的壓縮性，燒結(jié)和力學(xué)性能的影響。結(jié)果證明，通過加入羰基鐵粉，級VK級顆粒，可以增加由分散的PZHRV 2.200.26鐵粉制成的緊湊型樣品的相對密度。主要位于霧化粉末顆粒之間的孔中。在PZHRV 2.200.26和VK混合物中額外引入固體潤滑劑，不會導(dǎo)致壓制樣品的相對密度進一步增加（超過90％）。建立將VK羰基粉末添加到霧化的PZHRV 2.200.26粉末中，其量為15-20重量％霧化的彎曲強度，因為霧化顆粒的塑性變形困難，但它增加了由于更開發(fā)的觸點，燒結(jié)后材料的彎曲強度。

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