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2013•Journal of Functional BiomaterialsOpen access

Properties of W-Cu composite powders synthesized by sol-ball milling

Fan Jing-lia

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Abstract

In this study,W-10Cu/W-20Cu composite powders were fabricated by sol-spray drying and ball milling.The particle sizes and morphology of the composite powders were tested,the densification behave was studied.The results show that a new peak appeared after milling.After 20hours ball milling,particle sizes of W-10Cu/W-20Cu were 1.03and 1.15μm,respectively.The derivation of specific surface area ln[(Sm-S0)/(Sm-S)]and milling time t match linear relationship.When sintered directly at 1380℃after 20hmilling,W-10Cu/ W-20Cu composites had a uniform composition distribution and fine grain sizes,which approached to full density.

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What this paper is about

In this study,W-10Cu/W-20Cu composite powders were fabricated by sol-spray drying and ball milling.The particle sizes and morphology of the composite powders were tested,the densification behave was studied.The results show that a new peak appeared after milling.After 20hours ball milling,particle sizes of W-10Cu/W-20Cu were 1.03and 1.15μm,respectively.The derivation of specific surface area ln[(Sm-S0)/(Sm-S)]and milling time t match linear relationship.When sintered directly at 1380℃after 20hmilling,W-10Cu/ W-20Cu composites had a uniform composition distribution and fine grain sizes,which approached to full density.

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Available abstract

In this study,W-10Cu/W-20Cu composite powders were fabricated by sol-spray drying and ball milling.The particle sizes and morphology of the composite powders were tested,the densification behave was studied.The results show that a new peak appeared after milling.After 20hours ball milling,particle sizes of W-10Cu/W-20Cu were 1.03and 1.15μm,respectively.The derivation of specific surface area ln[(Sm-S0)/(Sm-S)]and milling time t match linear relationship.When sintered directly at 1380℃after 20hmilling,W-10Cu/ W-20Cu composites had a uniform composition distribution and fine grain sizes,which approached to full density.

Key concepts: Materials science, Composite number, Ball mill, Particle size, Composite material, Ball (mathematics), Particle-size distribution, Particle (ecology)

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