Effects of Holding Conditions on Microstructure of Al-5Ti-1B and Its Refining Efficiency on Al-Cu Alloy

• Autorzy: Huang Y. , Shao H. , Xiao Z. , Ren X.

Identyfikatory

DOI

10.24425/122389

• Języki publikacji: EN

Abstrakty

EN

A series of Al-5Ti-1B master alloys were obtained via fluoride salt process by holding them between 780°C and 880°C for 10-90 min. The influence of holding temperature and time during preparation on the microstructure and its refining performance were investigated by X-ray diffractometer, optical microscopy and scanning electron microscopy equipped with energy dispersive X-ray spectroscopy. The results indicated both the morphology and the distribution of TiB2₂and Al₃Ti were seriously affected by holding conditions. Inadequate TiB₂ particles were generated when holding time was short. However, Fe-containing impurity particles that aggregated along the matrix grain boundaries were found after the prolonged holding time. The refining and microhardness test results revealed that Al-5Ti-1B, the one held at 820°C for 30 min showed the optimum refining efficiency on Al-Cu alloy.

Słowa kluczowe

EN

Al-5Ti-1B; holding condition; microstructure; refining efficiency

• 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: 2018
• Tom: Vol. 63, iss. 2
• Strony: 647--652
• Opis fizyczny: Bibliogr. 24 poz., rys., tab.

Twórcy

autor

Huang Y.

• Central South University, Light Alloy Research Institute, Changsha, China
• Central South University, State Key Laboratory of High Performance and Complex Manufacturing, Changsha, China

autor

Shao H.

• Central South University, Light Alloy Research Institute, Changsha, China

autor

Xiao Z.

• Central South University, Light Alloy Research Institute, Changsha, China
• Central South University, State Key Laboratory of High Performance and Complex Manufacturing, Changsha, China

autor

Ren X.

• Central South University, Light Alloy Research Institute, Changsha, China

Bibliografia

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Uwagi

EN

The experimental work was supported by the Grant No. 2012CB619504 from the State Key Development Program for Basic Research of China.

PL

Opracowanie rekordu w ramach umowy 509/P-DUN/2018 ze środków MNiSW przeznaczonych na działalność upowszechniającą naukę (2018).