Effect Of Hot Pressing On The Electrochemical Properties Of Ti-Ni Alloy

• Autorzy: Balcerzak M. , Jurczyk M.

Identyfikatory

DOI

10.1515/amm-2015-0126

Warianty tytułu

PL

Wpływ prasowania na gorąco na właściwości elektrochemiczne stopu Ti-Ni

• Języki publikacji: EN

Abstrakty

EN

Ti2Ni alloy pellets were produced by mechanical alloying and hot pressing at 750°C for 0.5 h in vacuum. X-ray diffraction analysis showed that, after 8 h of milling, a starting mixture of elements mostly decomposed into an amorphous phase. Obtained powders and flakes have cleavage fracture morphology with huge number of dimples with different sizes. Hot pressing of materials caused formation of Ti₂Ni main phase. Porosity of pellets strongly depended on size of agglomerates and pressure of pressing. Ti₂Ni pellets were used as negative electrodes for Ni-MH_x batteries. Maximum measured discharge capacity of studied materials was 220 mAh/g. Electrochemical properties resulted from size of agglomerates, degree of oxidation and pressure of pressing.

Słowa kluczowe

EN

mechanical alloying; hot pressing; SEM; XRD; electrochemical measurements

PL

stopowanie mechaniczne; prasowanie na gorąco; SEM; XRD; pomiary elektrochemiczne

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2015
• Tom: Vol. 60, iss. 2B
• Strony: 1335--1340
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Balcerzak M.

• Institute of Materials Science and Engineering, Poznań University of Technology, Poznań, Poland

autor

Jurczyk M.

• Institute of Materials Science and Engineering, Poznań University of Technology, Poznań, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.