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|Title:||ON THE DETERMINATION OF LINEAR ELASTIC K//I//C USING THE COD METHOD.|
|Citation:||Lai, M.O. (1984). ON THE DETERMINATION OF LINEAR ELASTIC K//I//C USING THE COD METHOD. : 344-348. ScholarBank@NUS Repository.|
|Abstract:||The crack opening displacement (COD) technique theoretically has been postulated to be applicable in characterizing fracture of material in the generally yielded as well as linear elastic regimes. In the linear elastic case, it is therefore possible to use the COD method to determine the plane strain fracture toughness, K//I//C, of a material if the onset of crack propagation can be unambiguously located. In the present investigation, K//I//C of a plastic mould steel, Rochling moulrex A, was determined using 13 mm thick standard compact tension specimens tempered from the as-quenched condition. From the investigation, it is believed that due to uncertainties involved in the analysis, the COD method of fracture toughness determination is cumbersome and lacking in accuracy.|
|Appears in Collections:||Staff Publications|
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