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Compressive Properties and Energy Absorption Characteristics of Extruded Mg-Al-Ca-Mn Alloy at Various High Strain Rates.

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  • المؤلفون: Xiang C;Xiang C; Xiao Z; Xiao Z; Ding H; Ding H; Wang Z; Wang Z
  • المصدر:
    Materials (Basel, Switzerland) [Materials (Basel)] 2020 Dec 27; Vol. 14 (1). Date of Electronic Publication: 2020 Dec 27.
  • نوع النشر :
    Journal Article
  • اللغة:
    English
  • معلومة اضافية
    • المصدر:
      Publisher: MDPI Country of Publication: Switzerland NLM ID: 101555929 Publication Model: Electronic Cited Medium: Print ISSN: 1996-1944 (Print) Linking ISSN: 19961944 NLM ISO Abbreviation: Materials (Basel) Subsets: PubMed not MEDLINE
    • بيانات النشر:
      Publication: May 2010- : Basel, Switzerland : MDPI
      Original Publication: Basel, Switzerland : Molecular Diversity Preservation International, 2008-2010.
    • نبذة مختصرة :
      This paper is focused on the mechanical properties and the energy absorption characteristics of the extruded Mg-Al-Ca-Mn alloy in different compression directions under high strain rate compression. Compressive characterization of the alloy was conducted from the high strain rate (HSR) test by using a Split Hopkinson Pressure Bar (SHPB). Results show that the investigated alloy exhibits a strong strain rate sensitivity. With the rise of strain rate, the compressive strength is increased significantly, and the deformation ability also improves. When compressed along the extrusion direction, as the strain rate increases, the total absorbed energy E, the crush force efficiency (CFE), and the specific energy absorption SEA of Mg-Al-Ca-Mn alloy are all greatly improved as compared with those obtained along other compression directions.
    • Grant Information:
      BK20190831 Basic Research Program of Jiangsu Province
    • Contributed Indexing:
      Keywords: Mg-Al-Ca-Mn alloy; high strain rate; rapid hot extrusion; specific energy absorption
    • الموضوع:
      Date Created: 20201230 Latest Revision: 20210111
    • الموضوع:
      20250114
    • الرقم المعرف:
      PMC7796091
    • الرقم المعرف:
      10.3390/ma14010087
    • الرقم المعرف:
      33375463