Scientific Research Publishing

Read  full  paper  at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53125#.VLXQ2cnQrzE Author(s)    Mark Bediako 1 , J. T. Kevern 2 , Eric Opoku Amankwah 3   Affiliation(s) 1 Council for Scientific and Industrial Research, Building and Road Research Institute, Materials Engineering Development Division, Kumasi, Ghana . 2 Department of Civil and Mechanical Engineering, University of Missouri, Kansas City, Missouri, USA . 3 Development Office, University of Education-Winneba, Kumasi Campus, Kumasi, Ghana . ABSTRACT Curing of cement based products such as concrete and mortar, is very important to achieve good strength and durable products. However the curing environment plays a pivotal role in the overall quality of cement based products in terms of strength development. ASTM C192 allows moist curing either in a fog room or under water. However, these must meet ASTM C511 which controls temperature, and specifically fo...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=51283#.VGGkG2fHRK0 Author(s) Olawale Samuel Fatoba 1* , Olaitan Lukman Akanji 1 , Abiodun Samson Aasa 2 Affiliation(s) 1 Department of Chemical, Metallurgical and Materials Engineering, Tshwane University of Technology, Pretoria, South Africa . 2 Department of Mechanical Engineering, University of Pretoria, Pretoria, South Africa . ABSTRACT The utilization of carburizing materials in surface engineering has undergone many tremendous changes. Effective quality control is possible through carburizing the steel components under op-timal conditions. In this research work, process parameters like furnace temperature, soaking time and...

Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=51204#.VFspzWfHRK0 Author(s) Eric B. Ferreira 1 , Pórtya P. Cavalcanti 2 , Denismar A. Nogueira 1 Affiliation(s) 1 Exact Sciences Department, Federal University of Alfenas, Alfenas, Brazil . 2 Faculty of São Lourenço, São Lourenço, Brazil . ABSTRACT Analysis of variance (ANOVA) is a usual way for analysing experiments. However, depending on the design and/or the analysis scheme, it can be a hard task. ExpDes, acronym for Experimental Designs, is a package that intends to turn such task easier. Devoted to fixed models and balanced experiments (no missing data), ExpDes allows user to deal with additional treatments in a single run...