The melt polycondensation of mixtures of sebacic acid (S), 4,4Ј-diacetoxybiphenyl (B), and 4-acetoxybenzoic acid (H), carried out for the synthesis of semiflexible liquid-crystalline copolyesters referred to as SBH 1 : 1 : x, has been studied with the aim of clarifying the effect of the reaction con
Effect of Microstructure on the Wear Behaviour of a Dual Phase Steel
✍ Scribed by A. Bayram; A. Uğuz
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 176 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0933-5137
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✦ Synopsis
In this study wear behaviour of 0.1% C containing dual phase steels with three different microstructures have been examined. Intercritical annealing, step quenching and intermediate quenching heat treatments have been applied to the alloy in order to obtain different morphologies of ferrite and martensite. It has been observed that, intercritical annealing lead to highest strength but low-est wear resistance in this alloy.
Step quenching suggested to have no beneficial effect on tensile properties but increased the wear resistance. Intermediate quenching was found to be the best heat-treatment condition. The fibrous microstructure lead to the optimum tensile strength, ductility and wear resistance in this alloy.
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