Aging characteristics of Al P/M composites with variation of ceramic contents

Kyung Ho Min, Si Young Chang, Deok Soo Kim, Ji Soon Kim, Young Do Kim

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

The aging behavior of sintered Al composites with various ceramic contents was investigated. 2xxx series blended powder was used as the starting powder. Ceramic contents were 0 wt.% and 5 wt.%. The blended powders were compacted at 250 MPa. The sintering process was performed at 620°C for 60 min in a N 2 atmosphere. After sintering, each part was solution-treated at 518°C for 60 min and aged at 180°C. The Rockwell hardness value at the peak aging time increased with increased ceramic contents. However, the peak aging time at maximum hardness was reduced with increased ceramic contents. The changes in aging behavior may have been caused by the acceleration of diffusion due to the strain induced by differences in the thermal expansion coefficients of the matrix and the ceramic phases.

Original languageEnglish
Title of host publicationProgress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006)
Pages849-852
Number of pages4
EditionPART 2
StatePublished - 2007 Dec 1
Event2006 Powder Metallurgy World Congress and Exhibition, PM 2006 - Busan, Korea, Republic of
Duration: 2006 Sep 242006 Sep 28

Publication series

NameMaterials Science Forum
NumberPART 2
Volume534-536
ISSN (Print)0255-5476

Other

Other2006 Powder Metallurgy World Congress and Exhibition, PM 2006
CountryKorea, Republic of
CityBusan
Period06/09/2406/09/28

Fingerprint

Aging of materials
Powders
ceramics
composite materials
Composite materials
Sintering
Hardness
sintering
Rockwell hardness
Thermal expansion
thermal expansion
hardness
atmospheres
coefficients
matrices

Keywords

  • 2xxx series Al
  • Aging
  • Composite powder
  • Compressive property
  • Sintering

Cite this

Min, K. H., Chang, S. Y., Kim, D. S., Kim, J. S., & Kim, Y. D. (2007). Aging characteristics of Al P/M composites with variation of ceramic contents. In Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006) (PART 2 ed., pp. 849-852). (Materials Science Forum; Vol. 534-536, No. PART 2).
Min, Kyung Ho ; Chang, Si Young ; Kim, Deok Soo ; Kim, Ji Soon ; Kim, Young Do. / Aging characteristics of Al P/M composites with variation of ceramic contents. Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006). PART 2. ed. 2007. pp. 849-852 (Materials Science Forum; PART 2).
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abstract = "The aging behavior of sintered Al composites with various ceramic contents was investigated. 2xxx series blended powder was used as the starting powder. Ceramic contents were 0 wt.{\%} and 5 wt.{\%}. The blended powders were compacted at 250 MPa. The sintering process was performed at 620°C for 60 min in a N 2 atmosphere. After sintering, each part was solution-treated at 518°C for 60 min and aged at 180°C. The Rockwell hardness value at the peak aging time increased with increased ceramic contents. However, the peak aging time at maximum hardness was reduced with increased ceramic contents. The changes in aging behavior may have been caused by the acceleration of diffusion due to the strain induced by differences in the thermal expansion coefficients of the matrix and the ceramic phases.",
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Min, KH, Chang, SY, Kim, DS, Kim, JS & Kim, YD 2007, Aging characteristics of Al P/M composites with variation of ceramic contents. in Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006). PART 2 edn, Materials Science Forum, no. PART 2, vol. 534-536, pp. 849-852, 2006 Powder Metallurgy World Congress and Exhibition, PM 2006, Busan, Korea, Republic of, 06/09/24.

Aging characteristics of Al P/M composites with variation of ceramic contents. / Min, Kyung Ho; Chang, Si Young; Kim, Deok Soo; Kim, Ji Soon; Kim, Young Do.

Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006). PART 2. ed. 2007. p. 849-852 (Materials Science Forum; Vol. 534-536, No. PART 2).

Research output: Chapter in Book/Report/Conference proceedingConference contribution

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AB - The aging behavior of sintered Al composites with various ceramic contents was investigated. 2xxx series blended powder was used as the starting powder. Ceramic contents were 0 wt.% and 5 wt.%. The blended powders were compacted at 250 MPa. The sintering process was performed at 620°C for 60 min in a N 2 atmosphere. After sintering, each part was solution-treated at 518°C for 60 min and aged at 180°C. The Rockwell hardness value at the peak aging time increased with increased ceramic contents. However, the peak aging time at maximum hardness was reduced with increased ceramic contents. The changes in aging behavior may have been caused by the acceleration of diffusion due to the strain induced by differences in the thermal expansion coefficients of the matrix and the ceramic phases.

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Min KH, Chang SY, Kim DS, Kim JS, Kim YD. Aging characteristics of Al P/M composites with variation of ceramic contents. In Progress in Powder Metallurgy - Proceedings of the 2006 Powder Metallurgy World Congress and Exhibition (PM 2006). PART 2 ed. 2007. p. 849-852. (Materials Science Forum; PART 2).