Fatigue crack growth in a commercial grade ABS over the temperature range -50°C to 80°C has been studied. An Arrhenius type relationship between fatigue crack growth rate and absolute temperature was found to describe the experimental data. At AK = 1 MPa&, the activation energy for crack growth in the temperature range -50°C to 19°C is 3.47 kJ/mole and in the temperature range 30°C to 80°C it is 19.63 kJ/mole. The two different activation energies were found to be associated with the roughness of the fracture surfaces. The roughness of the fracture surfaces is discussed in relation to modes of fatigue crack growth. In the low temperature range (-50°C to 19°C) the fracture surfaces were found to be rather coarse, whereas in the high temperature range (30°C to 80°C) they were found to be somewhat smooth. These different roughnesses were deduced to be due to different modes of crack branching influenced by crazing. A "stress intensity factor"-biased Arrhenius equation for fatigue crack growth successfully predicts growth rates at various temperatures.
The purpose of this paper was to examine the main factors that influence consumers’ intention to use Islamic personal financing. A sample of 308 employees from Universiti Utara Malaysia was surveyed. Attitude, social influence, perceived behavioral control, religious obligation and religiosity were examined towards the intention to use Islamic personal financing. The results show that perceived behavioral control proved to be a strong predictor. The findings of this study provide key inputs to an Islamic bank for better planning of Islamic personal financing facilities. Keywords: Islamic personal financing; intention; usage; shari’ah compliance; religiosity.
Maqasid Shariah requires the preservation of life on earth and with the relevance of environmental sustainability in protecting the earth and all life within it, the objectives of this paper is to investigate the strategies taken by a port in order to be environmentally sustainable and discuss it according to the principles of Maqasid Shariah. Qualitative research design was employed where data was collected through semi-structured interview with the officers in charge of environment at the company. Findings indicate that strategies implemented by the port have been successful in reducing emission and improve air quality which is an important step both to being environmentally sustainable and adhering to the Maqasid Shariah principles.
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