Aluminum alloys with high elastic modulus

Aluminum alloys with high elastic modulus
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高弹性模量铝合金

DOI:
10.1016/j.matlet.2022.132292
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发表时间:
2022
期刊:
影响因子:
3
通讯作者:
Gupta, R.K.
Gupta, R.K.
中科院分区:
材料科学3区
文献类型:
--
作者:
Christudasjustus, J.;Larimian, T.;Esquivel, J.;Gupta, S.;Darwish, A.A.;Borkar, T.;Gupta, R.K.

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二元Al-5M合金,含5at。合金元素(M: Cr, Si, Nb, Mo和V),已通过高能球磨和随后的火花等离子烧结生产。x射线衍射分析表明,合金元素的固溶度比相图预测的要高几个数量级。采用纳米压痕法对Al- 5m合金的弹性模量和硬度进行了分析,结果表明,Al- 5m合金的弹性模量和硬度明显高于普通铝合金。高弹性模量是由于合金元素固溶性的扩大导致晶格参数的降低。
Binary Al-5M alloys, containing 5 at.% alloying element (M: Cr, Si, Nb, Mo, and V), have been produced by high-energy ball milling and subsequent spark plasma sintering. X-ray diffraction analysis indicated the solid solubility of the alloying elements to be several orders of magnitude higher than that predicted by the phase diagram. The elastic modulus and hardness of Al-5M alloys, analyzed using nanoindentation, were significantly higher than the commercial Al alloys. High elastic modulus was attributed to the decrease in lattice parameters as a result of the extended solid solubility of the alloying elements.
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