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PRINCIPLE,CHARACTERISTICS AND STATUS OF HIGH VELOCITY COMPACTION TECHNOLOGY IN POWDER METALLUGY

Xiaoqiang Li

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Abstract

The high velocity compaction(HVC)technique in powder metallurgy is described.HVC is a new manufacturing technique,for producing high density(7.4 g/cm~3～7.8 g/cm~3) P/M parts efficiently at low cost.Powder is compacted with-in less than 20 milliseconds by high-energy impacts.Further densification is achieved by multiple impacts at intervals of as short as 300 milliseconds.HVC expands the range of PM forming technique and is expected to have a high potential in the future.

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What this paper is about

The high velocity compaction(HVC)technique in powder metallurgy is described.HVC is a new manufacturing technique,for producing high density(7.4 g/cm~3～7.8 g/cm~3) P/M parts efficiently at low cost.Powder is compacted with-in less than 20 milliseconds by high-energy impacts.Further densification is achieved by multiple impacts at intervals of as short as 300 milliseconds.HVC expands the range of PM forming technique and is expected to have a high potential in the future.

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Available abstract

The high velocity compaction(HVC)technique in powder metallurgy is described.HVC is a new manufacturing technique,for producing high density(7.4 g/cm~3～7.8 g/cm~3) P/M parts efficiently at low cost.Powder is compacted with-in less than 20 milliseconds by high-energy impacts.Further densification is achieved by multiple impacts at intervals of as short as 300 milliseconds.HVC expands the range of PM forming technique and is expected to have a high potential in the future.

Key concepts: Compaction, Powder metallurgy, Materials science, High energy, Millisecond, Range (aeronautics), Metallurgy, Nuclear engineering

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