Quantitative relationships between microstructures and hardness of as-cast Ti-6A1-4V titanium alloy

  • Hai Nan
  • , Guoqing Wu
  • , Jiaqi Zhao
  • , Weiguang Yang
  • , Ning Dang

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Based on stereology and quantitative Metallography, digital image measure methods of β grain size and α lamella space in as-cast Ti-6A1-4V titanium alloy were developed, with which the microstructure were evaluated and the relationships between microstructures and hardness of as-cast Ti-6A1-4V titanium alloy with different plate thickness were investigated. The results show that, there are positive linear relationships between cast plate thickness and β grain size or α-lamina thickness of Ti-6A1-4V alloy. The relationships between microhardness and α -lamina thickness or β grain size of as-cast Ti-6A1-4V alloy plate were obtained, and the results could be explained by Hall-Petch strengthening.

Original languageEnglish
Title of host publicationTi 2011 - Proceedings of the 12th World Conference on Titanium
Pages650-652
Number of pages3
StatePublished - 2012
Event12th World Conference on Titanium, Ti 2011 - Beijing, China
Duration: 19 Jun 201124 Jun 2011

Publication series

NameTi 2011 - Proceedings of the 12th World Conference on Titanium
Volume1

Conference

Conference12th World Conference on Titanium, Ti 2011
Country/TerritoryChina
CityBeijing
Period19/06/1124/06/11

Keywords

  • Hardness
  • Microstructure
  • Quantitative analysis
  • Titanium alloy

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