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the influence on mechaincal properties of rolled pure nickel at low temperature

Wang etc. find that when abnormal grain growth has volume fraction of 25% of coarser grain (bimodal structure), the material can exhibit high strength and high tensile ductility. We will find that if Ni has the same properties.
The conclusion show that after 95% reduction at liguid nitrogen temperature and under different annealing temperature, when strength growth, then tensile ductility down. And we also measure hardness, stress-strain curve,and morphology after 95% reduction in Ni.And LBs spacing is closer, LBs misorientation is not variation a lot when rolling at low temperature then in room temperature.

Identiferoai:union.ndltd.org:NSYSU/oai:NSYSU:etd-0810104-141308
Date10 August 2004
CreatorsLee, Tsun-jen
ContributorsChih-Pu Chang, none, Po-We Kao, Der¡Ðshin¡@Gan
PublisherNSYSU
Source SetsNSYSU Electronic Thesis and Dissertation Archive
LanguageCholon
Detected LanguageEnglish
Typetext
Formatapplication/pdf
Sourcehttp://etd.lib.nsysu.edu.tw/ETD-db/ETD-search/view_etd?URN=etd-0810104-141308
Rightscampus_withheld, Copyright information available at source archive

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