Effect of aging treatment on the mechanical properties of C-250 maraging steel by flow forming

I. K. Lee; C. P. Chou; C. M. Cheng; I. C. Kuo

doi:10.1361/105994903770343466

Effect of aging treatment on the mechanical properties of C-250 maraging steel by flow forming

I. K. Lee^*, C. P. Chou, C. M. Cheng, I. C. Kuo

^*Corresponding author for this work

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

14 Citations (Scopus)

Abstract

The technique of forward flow forming has been used to produce a long, thin walled tube made of C-250 maraging steel. The forward flow forming can save raw material, increase strength, and reduce the production process time. Because the work hardening effect on solution-treated C-250 using flow forming is minimal, the flow-formed tube requires an additional heat treatment to obtain higher hardness and strength. With the direct aging treatment, low elongation values are obtained, making this treatment unsuitable for the engineering design. It was found that the 540°C/6 h/AC over-aging treatment results in better strength and elongation values. The strengthening phase of the flow-formed C-250 maraging steel was found to be the intermetallic compound of Fe₃Mo.

Original language	English
Pages (from-to)	41-47
Number of pages	7
Journal	Journal of Materials Engineering and Performance
Volume	12
Issue number	1
DOIs	https://doi.org/10.1361/105994903770343466
Publication status	Published - 2003 Feb
Externally published	Yes

Keywords

Aging treatment
Flow-forming
Maraging steel C-250

ASJC Scopus subject areas

General Materials Science
Mechanics of Materials
Mechanical Engineering

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10.1361/105994903770343466

Cite this

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abstract = "The technique of forward flow forming has been used to produce a long, thin walled tube made of C-250 maraging steel. The forward flow forming can save raw material, increase strength, and reduce the production process time. Because the work hardening effect on solution-treated C-250 using flow forming is minimal, the flow-formed tube requires an additional heat treatment to obtain higher hardness and strength. With the direct aging treatment, low elongation values are obtained, making this treatment unsuitable for the engineering design. It was found that the 540°C/6 h/AC over-aging treatment results in better strength and elongation values. The strengthening phase of the flow-formed C-250 maraging steel was found to be the intermetallic compound of Fe3Mo.",

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AU - Lee, I. K.

AU - Chou, C. P.

AU - Cheng, C. M.

AU - Kuo, I. C.

PY - 2003/2

Y1 - 2003/2

N2 - The technique of forward flow forming has been used to produce a long, thin walled tube made of C-250 maraging steel. The forward flow forming can save raw material, increase strength, and reduce the production process time. Because the work hardening effect on solution-treated C-250 using flow forming is minimal, the flow-formed tube requires an additional heat treatment to obtain higher hardness and strength. With the direct aging treatment, low elongation values are obtained, making this treatment unsuitable for the engineering design. It was found that the 540°C/6 h/AC over-aging treatment results in better strength and elongation values. The strengthening phase of the flow-formed C-250 maraging steel was found to be the intermetallic compound of Fe3Mo.

AB - The technique of forward flow forming has been used to produce a long, thin walled tube made of C-250 maraging steel. The forward flow forming can save raw material, increase strength, and reduce the production process time. Because the work hardening effect on solution-treated C-250 using flow forming is minimal, the flow-formed tube requires an additional heat treatment to obtain higher hardness and strength. With the direct aging treatment, low elongation values are obtained, making this treatment unsuitable for the engineering design. It was found that the 540°C/6 h/AC over-aging treatment results in better strength and elongation values. The strengthening phase of the flow-formed C-250 maraging steel was found to be the intermetallic compound of Fe3Mo.

KW - Aging treatment

KW - Flow-forming

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Effect of aging treatment on the mechanical properties of C-250 maraging steel by flow forming

Abstract

Keywords

ASJC Scopus subject areas

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