Temperature dependence of yield stress

Fig. 14 Temperature dependence of yield stress, cry, and plastic flow stress, crpf, for quenched and physically aged PMMA. Strain rate is 2 x 10-3 s-1 (From [32])...

The temperature dependence of yield stress, ay, for BPA-PC is shown in Fig. 70. After a rapid decrease of oy between - 110 and about -40°C, one observes a smaller, almost linear, decrease to 120 °C. 

Fig. 22. Comparison of predicted (solid lines [28]) and measured (circles [42, 43]) temperature dependence of yield stress...

The effects of surface coating on the plastic deformation of metallic specimens have been studied extensively in the past. With a few exceptions, the investigations were focused on f.c.c. metals at room temperature and revealed a hardening effect [ ]. The surface film softening, a recently discovered phenomenon % takes place in b.c.c. metals at low temperatures where the temperature dependence of yield stress is large. Therefore, it is essential to know the low-temperature deformation mechanism of b.c.c. metals in order to understand the SFS phenomenon. 

Temperature dependence of yield stresses of glassy polymers... 

Fig. 18 Temperature dependence of yield stress and plastic flow stress of PMMA, obtained under uni-axial compression at a strain rate of 2 x 10 s ...

In Fig. 9.2, the temperature dependence of yield stress has been adduced for HDPE in case of both types of tests. 

One of the first attempts was to obtain an expression for the ductile-to-brittle transition temperature [54] using certain simplifying assumptions with respect to the temperature dependence of yield stress and effective surface energy. The derived expression has the following form ... 

The temperature dependence (25 to 1350°C) of yield stress of X -TaFeAl (C14 type) has been reported by [1990Sau, 1996Mac]. [2005Risl, 2005Ris2] reported the temperature dependence of yield stress and the ductile-brittle transition temperature of Fe rich two-phase alloys. These alloys, eontaining 16-45 at.% A1... 

Kum] Mechnical tests Temperature dependence of yield stress... 

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