Sintering of injection molded M2 high-speed steel

Z. Y. Liu; N. H. Loh; K. A. Khor; S. B. Tor

doi:10.1016/S0167-577X(00)00070-7

Sintering of injection molded M2 high-speed steel

Z. Y. Liu^*, N. H. Loh, K. A. Khor, S. B. Tor

^*Corresponding author for this work

Nanyang Technological University

Research output: Contribution to journal › Article › peer-review

66 Citations (Scopus)

Abstract

The sintering of injection molded M2 high speed steel (HSS) was studied. The sintering parameters investigated were: sintering atmosphere, heating rate, sintering temperature and sintering time. Mechanical properties and SEM microstructures were used to determine an optimum sintering schedule. It was found that sintering in vacuum is better than in nitrogen as densification is faster in the former. In vacuum sintering, effective sintering took place in the range 1190-1210 °C, whereas in nitrogen atmosphere, effective sintering occurred form 1250 °C to 1270 °C. A heating rate of 10 °C/min is preferred since a higher heating rate of 30 °C/min resulted in distortion. Near full density was obtained within 10 min after reaching an optimum sintering temperature of 1210 °C. However, the maximum ultimate tensile strength of 752.6 MPa was obtained after 2 h of sintering in a vacuum.

Original language	English
Pages (from-to)	32-38
Number of pages	7
Journal	Materials Letters
Volume	45
Issue number	1
DOIs	https://doi.org/10.1016/S0167-577X(00)00070-7
Publication status	Published - Aug 2000
Externally published	Yes

ASJC Scopus Subject Areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

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10.1016/S0167-577X(00)00070-7

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title = "Sintering of injection molded M2 high-speed steel",

abstract = "The sintering of injection molded M2 high speed steel (HSS) was studied. The sintering parameters investigated were: sintering atmosphere, heating rate, sintering temperature and sintering time. Mechanical properties and SEM microstructures were used to determine an optimum sintering schedule. It was found that sintering in vacuum is better than in nitrogen as densification is faster in the former. In vacuum sintering, effective sintering took place in the range 1190-1210 °C, whereas in nitrogen atmosphere, effective sintering occurred form 1250 °C to 1270 °C. A heating rate of 10 °C/min is preferred since a higher heating rate of 30 °C/min resulted in distortion. Near full density was obtained within 10 min after reaching an optimum sintering temperature of 1210 °C. However, the maximum ultimate tensile strength of 752.6 MPa was obtained after 2 h of sintering in a vacuum.",

author = "Liu, {Z. Y.} and Loh, {N. H.} and Khor, {K. A.} and Tor, {S. B.}",

year = "2000",

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T1 - Sintering of injection molded M2 high-speed steel

AU - Liu, Z. Y.

AU - Loh, N. H.

AU - Khor, K. A.

AU - Tor, S. B.

PY - 2000/8

Y1 - 2000/8

N2 - The sintering of injection molded M2 high speed steel (HSS) was studied. The sintering parameters investigated were: sintering atmosphere, heating rate, sintering temperature and sintering time. Mechanical properties and SEM microstructures were used to determine an optimum sintering schedule. It was found that sintering in vacuum is better than in nitrogen as densification is faster in the former. In vacuum sintering, effective sintering took place in the range 1190-1210 °C, whereas in nitrogen atmosphere, effective sintering occurred form 1250 °C to 1270 °C. A heating rate of 10 °C/min is preferred since a higher heating rate of 30 °C/min resulted in distortion. Near full density was obtained within 10 min after reaching an optimum sintering temperature of 1210 °C. However, the maximum ultimate tensile strength of 752.6 MPa was obtained after 2 h of sintering in a vacuum.

AB - The sintering of injection molded M2 high speed steel (HSS) was studied. The sintering parameters investigated were: sintering atmosphere, heating rate, sintering temperature and sintering time. Mechanical properties and SEM microstructures were used to determine an optimum sintering schedule. It was found that sintering in vacuum is better than in nitrogen as densification is faster in the former. In vacuum sintering, effective sintering took place in the range 1190-1210 °C, whereas in nitrogen atmosphere, effective sintering occurred form 1250 °C to 1270 °C. A heating rate of 10 °C/min is preferred since a higher heating rate of 30 °C/min resulted in distortion. Near full density was obtained within 10 min after reaching an optimum sintering temperature of 1210 °C. However, the maximum ultimate tensile strength of 752.6 MPa was obtained after 2 h of sintering in a vacuum.

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JO - Materials Letters

JF - Materials Letters

IS - 1

ER -

Sintering of injection molded M2 high-speed steel

Abstract

ASJC Scopus Subject Areas

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