Numerical modelling of forming load on pre-stressed dies
نویسندگان
چکیده
منابع مشابه
Numerical Modelling of Drawbeads for Forming of Aluminium Alloys
The drawbeads in stamping tools are usually designed based on experience from the forming of steel. However, aluminium alloys display different forming behaviour to steels, which is not reflected in the drawbead design for tools used for stamping aluminium. This paper presents experimental results from different semi-circular drawbead geometries commonly encountered in automotive dies and compa...
متن کاملNumerical modelling of thermomechanical processes related to bulk forming operations
A therir~oir~echanically sound, deco~ipled inodel, nunierically unified for cold and hot bulk metal forming is cast into a finite eleme7it fonttulalioii. Tlie irlechanical niodale is based on elasto(visco)plastic niaterial costztutive laws and general interface frictional contact conditions with the assumption of rigid tools. ~ntroductiolz of a logarithn~ic strain based finite strain iriodel in...
متن کاملPhotoelastic Investigation of Metal-forming Processes Using New Sapphire Dies
Sapphire dies (of single-crystal aluminum oxide) are used to obtain interfacial conditions along the contact surface of the die in a strip-drawing operation. Several solutions based on slip-line field analysis and upper-bound techniques are available for metal-forming problems. However, these solutions generally neglect elasticity and work-hardening and assume that friction is constant along th...
متن کاملthe effect of using model essays on the develpment of writing proficiency of iranina pre-intermediate efl learners
abstract the present study was conducted to investigate the effect of using model essays on the development of writing proficiency of iranian pre-intermediate efl learners. to fulfill the purpose of the study, 55 pre- intermediate learners of parsa language institute were chosen by means of administering proficiency test. based on the results of the pretest, two matched groups, one as the expe...
Investigation of the Effect of Pre-Stressed on Vibration Frequency of Rectangular Nanoplate Based on a Visco-Pasternak Foundation
In the present work, the free vibration behavior of rectangular graphene sheet under shear in-plane load is studied. Nonlocal elasticity theory has been implemented to study the vibration analysis of orthotropic single-layered graphene sheets (SLGSs) subjected to shear in-plane load. The SLGSs is embedded on a viscoelastic medium which is simulated as a Visco-Pasternak foundation. Using the pri...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Journal of Physics: Conference Series
سال: 2021
ISSN: 1742-6588,1742-6596
DOI: 10.1088/1742-6596/1736/1/012019