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Load apparatus and method for bolt-loaded compact tension test specimen

机译:螺栓加载的紧凑型拉伸试样的加载装置和方法

摘要

A bolt-loaded compact tension test specimen load apparatus includes: a) a body having first and second opposing longitudinal ends, the first end comprising an externally threaded portion sized to be threadedly received within the test specimen threaded opening; b) a longitudinal loading rod having first and second opposing longitudinal ends, the loading rod being slidably received in a longitudinal direction within the body internally through the externally threaded portion and slidably extending longitudinally outward of the body first longitudinal end; c) a force sensitive transducer slidably received within the body and positioned to engage relative to the loading rod second longitudinal end; and d) a loading bolt threadedly received relative to the body, the loading bolt having a bearing end surface and being positioned to bear against the transducer to forcibly sandwich the transducer between the loading bolt and loading rod. Also disclosed is a method of in situ determining applied force during crack propagation in a bolt-loaded compact tension test specimen.
机译:螺栓加载的紧凑型拉伸试样负载装置包括:a)具有第一和第二相对纵向端的主体,该第一端包括外螺纹部分,该外螺纹部分的尺寸设置成能够以螺纹方式容纳在试样螺纹开口内; b)具有第一和第二相对的纵向端的纵向加载杆,所述加载杆通过所述外螺纹部分在内部沿纵向方向可滑动地容纳在所述本体内,并且从所述本体的第一纵向端沿纵向向外滑动。 c)力敏感换能器可滑动地容纳在主体内并定位成相对于加载杆的第二纵向端接合; d)相对于主体螺纹连接的加载螺栓,该加载螺栓具有轴承端面并且被定位成抵靠换能器,以将换能器强制地夹在加载螺栓和加载杆之间。还公开了一种在螺栓加载的紧凑拉伸试样中在裂纹扩展期间原位确定施加力的方法。

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