Fracture mechanics alloy

The sensitivity tests are carried out on artificial defects (nickel-chromium specimens of NFA 09.520,see figure 3 of annex 1) and natural defects (one part in "light" alloy, one part in stellite grade 1 containing micropores, 2 specimens of fracture mechanical type CT20 in Z2 CN 12.10 (NFA 03.180). 

Stacking faults thereby providing barriers to sHp. If carbides are allowed to precipitate to the point of becoming continuous along the grain boundaries, they often initiate fracture (see Fracture mechanics). A thorough discussion of the mechanical properties of cobalt alloys is given in References 29 and 30 (see also Refractories). 

Fracture Mechanics Methods These have proved very usebd for defining the minimum stress intensity K[scc. t which stress corrosion cracking of high-strength, low-ductihty alloys occurs. They have so far been less successful when apphed to high-ductility alloys, which are extensively used in the chemicm-process industries. 

Fig. 1.10 Mechanical alloying through repetitive cold welding and fracturing...

Yang, J.M., Jeng, S.M. and Yang, C.J. (1991). Fracture mechanisms of fiber reinforced titanium alloy matrbi composites. Part I. interfacial behaviour. Mater. Sci. Eng. AI38, 155-167. 

The rate of crack growth is often it more useful parameter than is fatigue life Fracture mechanics techniques have been widely applied lo the crack growth behavior of high temperature alloy s. 

Fracture mechanism of the Ti-Si-alloy at the critical content of silicon is intergranular one resulting in both zero plasticity and decrease of yield strength and ultimate tensile strength. 

Fracture mechanics investigations have shown that the crack-growth rates of a number of alloys are sensitive to the relative humidity of the... 

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