The microstructure and mechanical properties of a welded molybdenum alloy

Wadsworth, J.; Morse, G.R.; Chewey, P.M.

doi:10.1016/0025-5416(83)90173-8

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Structural Materials: Advances and Enabling Technology1

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1986

2024

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Cited by 36 publications

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“…Building on the results of this study, other research-ers were able to apply modern tools such as in-situ Auger spectroscopy to study molybdenum grain boundaries, understand the true origin of brittle fracture, and thereby design new processing routes for the effective fabrication of refractory metal alloys. 11,12 Some of the scientific bases of these major findings are shown in Figure 2. In particular, it is clear from the experimental results in the lower part of Figure 2 that although intergranular failure is the mechanism, there is no oxygen on the grain boundary.…”

Section: Structural Materials: Advances and Enabling Technologymentioning

confidence: 99%

The evolution of technology for structural materials over the last 50 years

Wadsworth

2007

JOM

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Section: Structural Materials: Advances and Enabling Technologymentioning

confidence: 99%

The evolution of technology for structural materials over the last 50 years

Wadsworth

2007

JOM

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The Banded Structure and Its Effects on the Transverse Elongation and Textures of Mo Bars

et al. 2014

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The transverse elongation, microhardness, and microstructure of different pure molybdenum bars reduction were investigated at room temperature. The results show that the transverse elongation of draw‐forged pure Mo bars is gradually improved as the reduction of upsetting increases, which approaches a maximum value of 5% after upsetting to 80%. In the draw‐forged molybdenum bars, it forms a 〈011〉 fiber texture. After upsetting deformation, 〈100〉 + 〈111〉 fiber textures are formed. Meanwhile, the orientation density of 〈100〉 fiber and 〈111〉 fiber increases gradually with the increasing reduction of upsetting deformation. The plastic deformation is much heavier and non‐homogeneous in 〈111〉 orientation than that in 〈100〉 orientation. Many banded microstructures, especially microshear bands, are formed in 〈111〉 orientation. Meanwhile, many equiaxed dislocation cells are formed in 〈100〉 orientation. Two models are proposed to explain the evolution of texture. The formation of a 〈110〉 fiber or a 〈100〉 fiber can be explained by a cross‐slip mechanism, and the formation of a 〈111〉 fiber can be explained by a microshear banding mechanism.

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Refractory Metals—Some Historical Observations

Wadsworth¹

2022

The Minerals, Metals &Amp; Materials Series

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The microstructure and mechanical properties of a welded molybdenum alloy

Cited by 36 publications

References 10 publications

The evolution of technology for structural materials over the last 50 years

The evolution of technology for structural materials over the last 50 years

The Banded Structure and Its Effects on the Transverse Elongation and Textures of Mo Bars

Refractory Metals—Some Historical Observations

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