A Review of Cloud Manufacturing: Issues and Opportunities

Cloud Manufacturing (CM) is the latest manufacturing paradigm that enables manufacturing to be looked upon as a service industry. The aim is to offer manufacturing as a service so that an individual or organization is willing to manufacture products and utilize this service without having to make capital investment. However, industry adoption of CM paradigm is still limited.  This paper compared the current adoption of CM by the industry with the ideal CM environment.  The gaps between the two were identified and related research topics were reviewed.  This paper also outlined research areas to be pursued to facilitate CM adoption by the manufacturing industry.  This will also improve manufacturing resource utilization efficiencies not only within an organization but globally.  At the end, the cost benefits will be passed down to end customer

Dynamic Mechanical Analysis of Waste Polyethylene Terephthalate Bottle

Polyethylene terephthalate (PET) led to the disposing and managing issue due to it extensively consumptions. Hence, its application in construction field particular on concrete production has become general. However, the preliminary study on PET itself is very limited. This study was focused on the investigation on mechanical properties of PET film using dynamic mechanical analysis (DMA) over a temperature range of 40-180°C at fixed frequency of 1 Hz. In the paper, glass transition temperature were analyzed with the curves of storage modulus (E’), loss modulus (Eâ€) and tan delta. The results show decreasing curve of storage modulus, meanwhile loss storage and tan delta present same curve which is increases with temperature as glassy phase and radically decreases due to rubbery phase. From these curves, the glass transition temperature (Tg) of PET have been characterized which the value has been found to be 114°C. Generally, this study could provide better characterization of a material in order to examine the ability of a material to store or lose energy