서지주요정보
Method of Weighted Residuals 를 이용한 곡면 금형의 축 대칭 전방 압출 = Analysis of axisymmetric extrusion through curved dies by using the method of weighted residuals
서명 / 저자 Method of Weighted Residuals 를 이용한 곡면 금형의 축 대칭 전방 압출 = Analysis of axisymmetric extrusion through curved dies by using the method of weighted residuals / 조종래.
저자명 조종래 ; Cho, Jong-Rae
발행사항 [서울 : 한국과학기술원, 1984].
Online Access 제한공개(로그인 후 원문보기 가능)원문

소장정보

등록번호

4102547

소장위치/청구기호

학술문화관(문화관) 보존서고

MME 8435

SMS전송

도서상태

이용가능

대출가능

반납예정일

초록정보

The thesis is concerned with the analysis of axisymmetric forward extrusion by using the method of weighted residuals. In the method of weighted residuals, flow function and stress function are assumed to cover the global control volume. The derived stress and strain components are used to formulate a yield equation in the error form, so that the error is minimized to determine stress and strain components. The method of least squares is chosen for the minimization of error. The distribution of stresses and strains and the forming load are determined for the workhardening material considering the frictional effect at the die material interface. Some reduction of area and die shapes are chosen for computation. The computed results are very similar to those obtained by the finite element method. The program is simpler in application and input control and requires less computation time than FEM. Experiments are carried out for aluminium and steel specimens using conical and curved dies. It is found that the experimental observation is mostly in agreement with the computation by the method of weighted residuals.

서지기타정보

서지기타정보
청구기호 {MME 8435
형태사항 [vi], 70 p. : 삽도 ; 26 cm
언어 한국어
일반주기 저자명의 영문표기 : Jong-Rae Cho
지도교수의 한글표기 : 양동열
지도교수의 영문표기 : Dong-Yol Yang
학위논문 학위논문(석사) - 한국과학기술원 : 기계공학과,
서지주기 참고문헌 : p. 33-35
주제 Metals --Extrusion.
Dies (Metal-working)
Friction.
Strains and stresses.
Strain hardening.
압출. --과학기술용어시소러스
마찰. --과학기술용어시소러스
변형 경화. --과학기술용어시소러스
응력 변형 특성. --과학기술용어시소러스
압출 금형. --과학기술용어시소러스
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