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Plastic stability of bimetals composed of Ti-based metallic glass composite and pure titanium

机译:双金属的塑料稳定性由Ti基金属玻璃复合材料和纯钛组成

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摘要

The plastic stability of bimetals composed of a Ti-based metallic glass composite (MGC) and a pure titanium (PT) under tension has been investigated. The results reveal that the plastic stability of the MGC/PT bimetal is strongly dependent on the thickness fraction of the MGC: when the thickness fraction of the MGC decreases to a critical value, a homogeneous plastic deformation occurs in the MGC/PT bimetals, i.e. the strain localization and necking of the MGC is effectively suppressed. This unique phenomenon is explained using the normalized strain-hardening rate, and the quantitative relationship between the normalized strain-hardening rate of the MGC/PT bimetals and the thickness fraction of the MGC is thereby established.
机译:研究了由Ti基金属玻璃复合物(MGC)组成的双金属的塑料稳定性,并在张力下进行张力纯钛(Pt)。 结果表明,MgC / Pt双金属的塑性稳定性强烈取决于MGC的厚度分数:当MGC的厚度分数降低到临界值时,在MGC / Pt双金属中发生均匀的塑性变形,即 有效地抑制了MGC的应变定位和缩颈。 由此建立了使用归一化应变 - 硬化速率来解释这种独特的现象,以及MGC / Pt双齿性的归一化应变 - 硬化率与MGC的厚度分数之间的定量关系。

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