Constitutive Relations in the Process of Hot Wood Rolling

• Autorzy: Malujda I. , Mielniczuk J.
• Konferencja: International Conference on Modelling in Mechatronics (9 ; 02-04.09.2004 ; Kazimierz Dolny, Poland)
• Języki publikacji: EN

Abstrakty

EN

While process modelling of plasticization of wood layer the factor of principal importance is the critical effort of material when its plastic flow occurs. The value of this stress depends on the thermomechanical properties of the material and, in particular, on three parameters of the process: roller temperature, strength and duration of the force exerted on the surface of the plasticized material. This paper attempts to formulate constitutive equations of the yield condition of porous and anisotropic medium taking into account the influence of temperature. This problem is analysed on the basis of plasticization of a thin layer of wood during hot rolling.

Słowa kluczowe

EN

anisotropy; critical stress; porosity; yield condition

• Wydawca: Oficyna Wydawnicza Politechniki Warszawskiej
• Czasopismo: Machine Dynamics Problems
• Rocznik: 2004
• Tom: Vol. 28, No. 4
• Strony: 35--40
• Opis fizyczny: Bibliogr. 7 poz.

Twórcy

autor

Malujda I.

• Poznań University of Technology, Chair of Basics of Machine Design

autor

Mielniczuk J.

• Poznań University of Technology, Chair of Basics of Machine Design

Bibliografia

• Dudziak, M., Kołodziej, J., Malujda, I., 2001, Analysis of temperature distribution in a thin layer of wood, The Sixth International Conference in Puchov. Slovakia.
• Dudziak, M., Malujda, I., Mielniczuk, J., Moskalewski, K., 2002, Analysis of plastic deformations in a thin layer of porous and anisotropic material during hot rolling (Non- classical material models in engineering design), Zeszyty Naukowe Politechniki Poznańskiej, 75.
• Dudziak, M., Malujda, I., 2003, Machine for rolling wooden elements, 6-th International Symposium of Ukrainian Mechanical Engineers in Lviv. Lviv.
• Malujda, I., 2003, Use of a model of anisotropic and porous material plasticization for solving yield points in a layer of wood, The Eighth International Conference, Puchov, Slovakia.
• Malujda, I., 1996, Walcowanie na gorąco zaokleinowanych elementów meblowych, Wydawnictwo Politechniki Poznańskiej, 107.
• Malujda, I., Mielniczuk, J., 2004, Mathematical model of wood hot rolling process, GAMM, 75-th Annual Scientific Conference, Dresden.
• Walczak, J., 1978, Wytrzymałość materiałów oraz podstawy teorii sprężystości i plastyczności, PWN, Warszawa - Kraków.