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1. 发明授权

US3554019A Determination of stress strain properties of metallic substances 失效
标题翻译：确定金属物质的应力应变特性
公开(公告)号：US3554019A
公开(公告)日：1971-01-12
申请号：US3554019D
申请日：1968-05-17
申请人： CENTRE NAT RECH METALL
发明人： HOVE CHRISTIAN MARIE VAN DEN , LILET LEONARD FRANCOIS , COSSE PAUL ANDRE , WYBO MAURICE AUGUSTIN
IPC分类号： G06G7/68 , G01N3/00
CPC分类号： G06G7/68
摘要： A PROCESS AND APPARATUS FOR THE RAPID DETERMINATION OF TENSILE PROPERTIES OF METAL SPECIMENTS, MORE PARTICULARLY STEEL SPECIMENS IN WHICH A TEST SPECIMENT OF THE METAL IN QUESTION IS PLACED UNDER TENSILE TEST, IN WHICH APPROPRIATE DETECTORS ARE EMPLOYED TO ESTABLISH THE VALUES OF SPECIFIC FACTORS OF THE SAID TENSILE TEST INCLUDING THE ELONGATION OF THE MEASURING BASE, THE LOAD, THE VARIATION IN THE WIDTH OF THE SAID MEASURING BASE, THESE DATA BEING TRANSMITTED TO A SET OF ELECTRONIC MODULES BUILT UP FROM ELEMENTS FOR ANALOGICAL CALCULATION, THE SIGNALS DELIVERED BY THE SAID SET BEING TRANSMITTED TO DEVICES SUCH AS RECORDERS OR THE LIKE, BY MEANS OF WHICH THE VALUES OF THE CHARACTERISTICS SOUGHT MAY BE OBTAINED. THE APPARATUS SPECIFICALLY COMPRISES A TENSILE TEST MACHINE IN WHICH IS COMPRISED, ON THE ONE HAND, A TENSILE TEST MACHINE EQUIPPED WITH DETECTORS OF LOAD, ELONGATION AND VARIATION IN THE WIDTH OF THE MEASURING BASE OF THE TEST SPECIMEN UNDERGOING A TENSILE TEST, THE DETECTORS OF ELONGATION AND OF VARIATION IN WIDTH BEING INTENDED IN PARTICULAR TO ALLOW OF SIMULTANEOUS MEASUREMENT OF THE ELONGATION AND OF THE VARIATION IN WIDTH OR OF MEASUREMENT OF THE VARIATION IN WIDTH CORRESPONDING TO A SPECIFIC ELONGATION OF THE SAID MEASURING BASE FOR CALCULATION OF THE COEFFICIENT R OF NORMAL ANISOTROPY, AND AN ASSEMBLY OF ELECTRONIC MODULES PREFERABLY BUILT UP FROM ELEMENTS FOR ANALOGICAL CALCULATION, THIS ASSEMBLY BEING CONNECTED TO THE DETECTORS OF THE SAID TENSILE TEST MACHINE AND BEING INTENDED TO EVALUATE THE SIGNALS RECEIVED FROM THE SAID DETECTORS.

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