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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Journal of the Korean Society for Precision Engineering Vol.39 No.8
- 발행연도
- 2022.8
- 수록면
- 583 - 593 (11page)
- DOI
- 10.7736/JKSPE.022.037
이용수
초록· 키워드
오류제보하기
The fundamental flow models of metallic materials at room temperature, including the Ludwik, Hollomon, Swift and Voce models, were evaluated in terms of tensile test with an emphasis on the necking phenomena and post-necking behavior, to emphasize their limitation in satisfying tensile strength and Considère condition as well as the pre-necking and post-necking strain hardening. To resolve this limitation and enhance the applicability of the new proposed flow model to typical strain hardening materials, the Ludwik-Swift blended flow model is proposed after investigation into three blended flow models among the Ludwik, Voce and Swift models. Results revealed that there is no interpolation-based blended flow model of the fundamental flow models for the example flow curve exhibiting typical strain hardening but that the extrapolation-based combination of them can provide an engineering solution when the Ludwik and Swift models are blended. It was revealed that the reason for their good matching lies in the distinct difference in the strain hardening exponent, between the Ludwik and Swift models in the case of metallic materials with typical strain hardening.
목차
1. 서론
2. 예제의 정의 및 전통적인 기본 유동모델의 비판
3. 혼합 유동모델
4. 토의
5. 결론
REFERENCES
참고문헌 (35)
참고문헌 신청
Eom, J., Son, Y., Jeong, S., Ahn, S., Jang, S., Yoon, D., Joun, M., (2014), Effect of strain hardening capability on plastic deformation behaviors of material during metal forming, Materials & Design (1980-2015), 54, 1010-1018.
Lee, S., Lee, J., Joun, M., (2020), On critical surface strain during hot forging of lubricated aluminum alloy, Tribology International, 141, 105855.
Liang, R., Khan, A. S., (1999), A critical review of experimental results and constitutive models for BCC and FCC metals over a wide range of strain rates and temperatures, International Journal of Plasticity, 15(9), 963-980.
Kreyca, J. F., (2017), State parameter based modelling of stressstrain curves in aluminium alloys, Ph.D. Thesis, Technische Universitat Wien.
Tu, S., Ren, X., He, J., Zhang, Z., (2020), Stress-strain curves of metallic materials and post-necking strain hardening characterization: A review, Fatigue & Fracture of Engineering Materials & Structures, 43(1), 3-19.
Lee, S., Lee, J., Joun, M., (2020), On critical surface strain during hot forging of lubricated aluminum alloy, Tribology International, 141, 105855.
Liang, R., Khan, A. S., (1999), A critical review of experimental results and constitutive models for BCC and FCC metals over a wide range of strain rates and temperatures, International Journal of Plasticity, 15(9), 963-980.
Kreyca, J. F., (2017), State parameter based modelling of stressstrain curves in aluminium alloys, Ph.D. Thesis, Technische Universitat Wien.
Tu, S., Ren, X., He, J., Zhang, Z., (2020), Stress-strain curves of metallic materials and post-necking strain hardening characterization: A review, Fatigue & Fracture of Engineering Materials & Structures, 43(1), 3-19.
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