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Author:

Li, Rong (Li, Rong.) | Zuo-ren, Nie (Zuo-ren, Nie.) (Scholars:聂祚仁) | Tie-yong, Zuo (Tie-yong, Zuo.) (Scholars:左铁镛)

Indexed by:

SCIE CSCD

Abstract:

Combining the processing maps with FEA, the critical values of reduction of diameter (Delta R) for the appearance of as-cast microstructure, dynamic recrystallization grains and twins in the swaged magnesium were respectively studied, by which the rational range of Delta R was obtained. To ensure that the as-cast microstructure wouldn't be retained in the rotary-swaged magnesium, Delta R should be larger than 0.25 mm. To avoid the appearance of twins in the microstructure of rotary-swaged magnesium, Delta R should be less than 1.0 mm. Delta R should be between 0.25 min and 1.0 min to ensure the appearance of recrystallized grains. The surface roughness of rotary-swaged magnesium increases with the increase of Delta R by quadratic function. The simulated results accord well with the experimental data. In the process control of rotary-swaging(RS), Delta R should be maximized between 0.25 mm and 1.0 mm on the precondition that the requests for surface roughness have been satisfied.

Keyword:

microstructure magnesium FEA processing optimization rotary swaging

Author Community:

  • [ 1 ] [Li, Rong]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 2 ] [Zuo-ren, Nie]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China
  • [ 3 ] [Tie-yong, Zuo]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 聂祚仁

    [Zuo-ren, Nie]Beijing Univ Technol, Coll Mat Sci & Engn, Beijing 100124, Peoples R China

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Source :

TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA

ISSN: 1003-6326

Year: 2008

Volume: 18

Page: S263-S268

4 . 5 0 0

JCR@2022

ESI Discipline: MATERIALS SCIENCE;

JCR Journal Grade:3

Cited Count:

WoS CC Cited Count: 6

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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