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Load/crack length relations

Therefore, the load/crack length relations in Equation 3.1 and Equation 3.9 predict P oc for a pyramidal indentor and P oc c / for a spherical indentor. This agrees quite well with experimental results in Eigure 3.2 for ZnS. [Pg.59]

Noting that the specimen is statically determinate, then the failure load P3 is related to P from Figure 4 via P = P3/ (1 + L1/L2). Figure 11 shows a comparison between the predicted (P3) and experimental failure loads as a function of the effective crack length. In general, failure loads are underestimated using this procedure, though there is some scatter in results. [Pg.287]

By relating residual stress intensity, indentation load P, and crack length C, Lawn et al. (1980) have developed the following formula for calculating fracture toughness ... [Pg.152]

As they stand these two equations are cumbersome and do not readily show a relationship between crack length and applied load. It has been possible to overcome this deficiency by making one substitution, equation (5.7), based on the relation of hardness, toughness, and crack length, and one, equation (5.8), based on the relation of hardness, toughness, and load ... [Pg.249]

See other pages where Load/crack length relations is mentioned: [Pg.64]    [Pg.253]    [Pg.106]    [Pg.470]    [Pg.336]    [Pg.401]    [Pg.178]    [Pg.30]    [Pg.425]    [Pg.427]    [Pg.427]    [Pg.419]    [Pg.22]    [Pg.419]    [Pg.245]    [Pg.366]    [Pg.88]    [Pg.132]    [Pg.125]    [Pg.132]    [Pg.747]    [Pg.127]    [Pg.236]    [Pg.325]    [Pg.153]    [Pg.178]    [Pg.88]    [Pg.268]    [Pg.65]    [Pg.73]    [Pg.333]    [Pg.341]    [Pg.414]    [Pg.97]    [Pg.99]    [Pg.100]    [Pg.312]    [Pg.325]    [Pg.44]    [Pg.181]    [Pg.267]    [Pg.403]    [Pg.168]    [Pg.88]    [Pg.89]   
See also in sourсe #XX -- [ Pg.59 , Pg.62 , Pg.63 ]



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