div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documentreu-msemmewsuedureu-msemmewsuedupast2002reu2002fswpdf-discovered-andhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: reu-msemmewsuedureu-msemmewsuedupast2002REU_2002_FSWpdfDiscovered and patented at TWI in Cambridge in late 1 991 a tensile testing machine Stress is a load per unit area loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader034fdocumentsinreader034viewer20220421075e86aeb0f891fa166623c8e8html5thumbnails1jpg width=140 height=200 divdiv