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

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.
 [1];  [1];  [1];  [1]
  1. (Idaho Falls, ID)
Issue Date:
OSTI Identifier:
Lockheed Idaho Technologies Company (Idaho Falls, ID) INEEL
Patent Number(s):
US 5598738
Contract Number:
AC07-94ID13223; AC07-76ID01570
Research Org:
EG&G Idaho, Inc.; Lockheed Idaho Technologies Company
Sponsoring Org:
Country of Publication:
United States
load; apparatus; method; bolt-loaded; compact; tension; specimen; opposing; longitudinal; comprising; externally; threaded; portion; sized; threadedly; received; loading; rod; slidably; direction; internally; extending; longitudinally; outward; force; sensitive; transducer; positioned; engage; relative; bolt; bearing; surface; bear; forcibly; sandwich; disclosed; situ; determining; applied; crack; propagation; load apparatus; slidably received; crack propagation; threaded portion; extending longitudinally; longitudinal direction; bolt-loaded compact; applied force; externally threaded; compact tension; specimen load; longitudinally outward; /73/