Article View: sci.materials
Article #6Re: fatigue of materials
From: roberts
Date: Tue, 27 Oct 1992 18:36
Date: Tue, 27 Oct 1992 18:36
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In article <jeff.720087205@mama>, jeff@mama.minmet.uq.oz (Jeff Gates) writes: Thus, he (the ceramicist) spoke of "static fatigue", by which he apparently > meant creep. He also talked of "dynamic fatigue", which didn't seem to fit > the definition at all! > > Any ceramicists out there familiar with this terminology? Perfectly respectable terminology: when someone talks of fatigue of aluminium alloys,I know they mean cyclic subcritical loading; when they talk of static fatigue of glass, I know they mean environmentally -assisted subcritical crack growth. probably the reason for the demise in use of of glass bookshelves, at least in damp (UK!) houses. Big elastic load - long time - moisture. Cracks grow until SMASH - shards and books all over the place. Steve Roberts "Rebinder effects only occurr on alternate tuesdays, if you're looking the other way"
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Path: arc1-ca.pugleaf.net!sparky!uunet!mcsun!uknet!comlab.ox.ac.uk!oxuniv!roberts From: roberts@vax.oxford.ac.uk Newsgroups: sci.materials Subject: Re: fatigue of materials Message-ID: <1992Oct27.183619.9796@vax.oxford.ac.uk> Date: 27 Oct 92 18:36:19 GMT References: <1992Oct21.203742.3567@utagraph.uta.edu> <jeff.720087205@mama> Organization: Oxford University VAX 6620 Lines: 21