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作者:Mohamed Bouleghlem , Moussa Zahzouh , Mohamed Hamidouche ...
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.1-14Trans Tech
摘要:WC-Co cemented carbide is one of the widely hard materials used for cutting in machining industry, due to its microstructural and mechanical stability even at high temperature. However, diffusion wear is the most serious problem that WC-Co suffers from. One of the most appli...
作者:Olatunji Oladimeji Ojo
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.28-41Trans Tech
摘要:Surface finish accrued extra-production cost, reduced effective sheet thickness, stir zone galling, undesirable flash-root stress concentration and fatigue cracks are consequences of bulk expulsion of flash during friction stir spot welding of aluminum alloys. This paper attempts...
作者:Lamiae Douiri , Abdelouahhab Jabri , Abdellah El Barkany
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.192-204Trans Tech
摘要:This paper deals with the integration of the cost of food quality COFQ in decision-making on storage and transportation conditions through a food supply chain. We propose a quantitative model which formulates the Cost of Food Quality COFQ across the food supply chain according to...
作者:Ekene Gabriel Okafor , Ugomma Esther Aturuocha , Osaretin Kole ...
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.156-170Trans Tech
摘要:This work focuses on the development of an Error Detection Instrument (EDI), applicable in aircraft maintenance operations. Thirteen aircraft maintenance tasks were identified and used to develop the EDI. The EDI was validated by four professionals presently employed in different...
作者:Maurel Aza-Gnandji , François Xavier Fifatin , Frédéric Dubas ...
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.89-98Trans Tech
摘要:This paper presents a study of the monthly variability of wind energy potential at several heights and an investigation of the best fitting commercial wind turbine in the Cotonou coast (Benin Republic). The monthly Weibull parameters are calculated at 10 m and extrapolated at 30 ...
作者:Mohammed Msaaf , Fouad Belmajdoub
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.148-155Trans Tech
摘要:In this work, we are interested in the faults diagnosis and the faults prognosis in discrete event systems described by sequences of generated events. Through this work, we aim the maximization of the efficiency of diagnosis/prognosis operations by combining two concepts. The fir...
作者:Jan G. Pretorius , Dawood A. Desai , Glen C. Snedden
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.15-27Trans Tech
摘要:Fatigue failure due to stress raiser regions on critical rotating components in gas turbine engines, such as the shaft, is a crucial aspect. Methods to reduce these stresses and improve fatigue life are a source of ongoing research. Laser shock peening is a method where compressi...
作者:Solomon I. Adedokun , Johnson R. Oluremi , Damilare S. Obebe
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.42-52Trans Tech
摘要:Effect of glass fines and cement as a composite mixture on the geotechnical properties of a poor lateritic soil obtained from a borrow pit at Aroje, Ogbomoso, Nigeria was investigated as a reuse method of managing wasted glass. Glass fines up to 12% at intervals of 4% by mass of ...
作者:Abdulwahab Giwa , John Olusoji Owolabi , Saidat Olanipekun Giwa
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.132-147Trans Tech
摘要:This study has been carried out to demonstrate the control of a reactive distillation process in which the production of biodiesel was taken as the case study using an advanced control method, which is known as dynamic matrix control. The control was accomplished by employing the...
作者:Naila Fares , Maria Lebbar
来源:[J].International Journal of Engineering Research in Africa, 2019, Vol.4747, pp.205-220Trans Tech
摘要:Fast fashion trends are changing in nonstop. Brands are consequently faced to big challenges. Processes must be fluent, while costs must be optimized within all the constraints. This article is a literature review, about the fast fashion process engineering challenges, from produ...

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