Effect of Temper Temperature on Microstructures and Mechanical Properties of 8CrV Saw Blade for Metallurgy

Abstract:

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Using metallographic observation and mechanical measurement, metallurgical saw blade made of 8CrV steel was continuously tempered at 300 °C-460 °C.The experimental results demonstrated that: with the increasing tempered temperature, the quenched martensite will transform into the tempered martensite, tempered martensite+tempered sorbite and tempered sorbite; the strength of samples declined continuously but yield ratio increased a little. At about 420°C, the temper brittleness occurred and obvious properties change happened of the samples, such as impact value, reduction area and elongation percent. However, the hardness values enhanced at this temperature.

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Periodical:

Edited by:

Huixuan Zhang, Ye Han, Fuxiao Chen and Jiuba Wen

Pages:

760-763

DOI:

10.4028/www.scientific.net/AMM.117-119.760

Citation:

S. Q. Yuan and G. L. Liang, "Effect of Temper Temperature on Microstructures and Mechanical Properties of 8CrV Saw Blade for Metallurgy", Applied Mechanics and Materials, Vols. 117-119, pp. 760-763, 2012

Online since:

October 2011

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$35.00

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