Browsing by Author "Hassan, G."
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Additive manufacturing of Ti-alloy: Thermal analysis and assessment of properties
Keles, Omer; Shuja, S. Z.; Yilbas, Bekir Sami; Al-Qahtani, H.; Hassan, G.; Adesina, A. Y.; Rinaldi, Ali; Khaled, M.; Al-Sharafi, Abdullah... more authors ... less authors ( SAGE Publications Inc. , 2020 , Article)In this study, 3D printing of Ti6Al4V alloy is realized and the characteristics of the printed layer are examined. The morphological structures and metallurgical changes in the printed layer are assessed. Temperature and ... -
The Impact of Market-wide Volatility on Time-varying Risk: Evidence from Qatar Stock Exchange
Refai H.A.; Hassan G.M. ( Sage Publications India Pvt. Ltd , 2018 , Article)This study examines the impact of market-wide volatility on time-varying risk using the heteroscedastic market model with EGARCH (1,1) specification. Using daily sector returns from the Qatar Stock Exchange (QSE) market ...