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Author (up) Martinez, C.; Briones, F.; Aguilar, C.; Araya, N.; Iturriza, I.; Machado, I.; Rojas, P. doi  openurl
  Title Effect of hot pressing and hot isostatic pressing on the microstructure, hardness, and wear behavior of nickel Type
  Year 2020 Publication Materials Letters Abbreviated Journal Mater. Lett.  
  Volume 273 Issue Pages 127944  
  Abstract Nanocrystalline Ni (Ni-nc) obtained by mechanical milling may present improved mechanical properties paired with high abrasion resistance. Different sintering processes were used to consolidate Nanocrystaline Ni: hot pressed (HP) and hot-isostatic pressed (HIP). The microstructure, mechanical properties, and tribological were evaluated to compare the processes. X-ray diffraction patterns showed that HIP-consolidated specimens had larger crystallite sizes and 37% less microstrain when compared to the HP specimens. The nanohardness of the HIP specimens was also carried out and it was 50% lower than that of HP specimens, whereas its coefficient of friction found was 25% higher. These results show the advantages of the HP process over the HIP since the high pressure. The low sintering temperature of HP inhibited the grain growth, which leads excellent mechanical and tribological properties of Ni. (C) 2020 Elsevier B.V. All rights reserved.  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0167-577X ISBN Medium  
  Area Expedition Conference  
  Notes WOS:000538775300023 Approved  
  Call Number UAI @ alexi.delcanto @ Serial 1403  
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