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Appts. determining material processing characteristics - has two rams with parallel piston displacements applying pre-test and test deformation respectively
Appts. determining material processing characteristics - has two rams with parallel piston displacements applying pre-test and test deformation respectively
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机译:Appts。确定材料的加工特性-具有两个平行活塞位移的柱塞,分别应用预测试和测试变形
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摘要
Appts. tests the processing behaviour of a visco-elastic material. A first ram is adapted to apply to a test sample a predetermined pre-test deformation. A second ram is adapted to subsequently apply to the test sample an additional test deformation. Both rams are disposed such that their respective piston displacement directions are parallel, whereby both the pre-test and the test deformation are compressive. A control system monitors the load relaxation in the test material. A standard test pellet of a material under investigation is placed centrally on a plate with both rams deactuated. A controlled current is passed through two heating coils for achieving a desired test temp.
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