نتایج جستجو برای: pass hot deformation
تعداد نتایج: 192718 فیلتر نتایج به سال:
Hot torsion test (HTT) has extensively been used to analysis and physically model flow behavior and microstructure evolution of materials and alloys during hot deformation processes. In this test, the specimen geometry has a great influence in obtaining reliable test results. In this paper, the interaction of thermal-mechanical conditions and geometry of the HTT specimen was studied. The commer...
Spatially resolved measurement of creep deformation across weldments at high temperature cannot be achieved using standard extensometry approaches. In this investigation, a Digital Image Correlation (DIC) based system has been developed for long-term high-temperature creep strain measurement in order to characterise the material deformation behaviour of separate regions of a multi-pass weld. Th...
In order to get an optimal use of all the interesting features for free-form mod-eling provided by sophisticated geometric models (Bezier, B-Spline, NURBS), we propose a deformation technique based on the concept of normalized operators. Such an operator can be viewed as a black-box which encloses | and hides to the user | the high number and the complexity of the parameters involved during a d...
Objective: The microstructure and mechanical properties of modified AZ 61 alloy -graphene composite (1wt. %, 2wt. % graphene) were examined under various conditions temperature rolling, number roll pass, the amount deformation. Method: rolling operation was carried out in a laboratory scale with initial stock 4000C. temperatures varied kept at 3500C 3000C, 2500C. After few passes, rolled stocks...
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