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Introduction In materials characterizations and especially composites materials, there is a need in simplified and more reliable test procedures.
§ Material: Table 1.
Experimental characterization of delamination fracture.In Interlaminar Response of Composite Materials,ed N.J Pagano.
In Composites Science and Technology. ed Bryan, H.
Journal of Composite Materials, Vol.24- No.11, 1990, pp 1124-1137 [11].

There are many health and environmental problems occurred from e-waste such as the toxic pollution from materials such as cadmium, chromium, lead, mercury, beryllium and many more.
There are several methods for the metal recovery from waste materials or by-product.
There are still very limited literatures on the e-waste management, handling and recovery process of hazardous materials in Malaysian e-waste industry.
Fray: Recovery of high purity precious metals from printed circuit boards, Journal of Hazardous Materials 164(2-3) (2009) p. 1152-1158
Robinson: E-waste: An assessment of global production and environmental impacts, Science of the Total Environment 408 (2009) p. 183-191

In practical design applications, most design variables such as thickness, diameter and material properties are not deterministic but stochastic numbers that can be represented by their mean values with variances because of various uncertainties.
However, the occurrence of uncertainty in design and its design process such as material properties, tolerances, loads and manufacturing process is inevitable at every stage of design process.
Acknowledgement This research was supported by the center of innovative design optimization technology (iDOT), Korea Science and Engineering Foundation.
Park: "A New Study On Reliability Based Design Optimization," Journal of Mechanical Design Vol. 121 No. 4 (1999), pp. 557-564 [5] GETTING STARTED MANUAL NESSUS and FPI, Southwest Research institute, Ver. 24 [6] Phoenix Integration Inc., Model Center User's Guide (2000) [7] ANSYS Inc., ANSYS User's Guide Ver. 6.1 (2000)

Materials and Methods Load-deflection model for elastic thin films loaded by bulge testing.
Standard test methods for plane-strain fracture toughness and strain energy release rate of plastic materials. 
International Journal of Fracture, 123(2003), 177-185
Materials Science and Engineering: A, 691 (2017), 218-225
Current Opinion in Solid State and Materials Science 19:6 (2015): 324-333

The optical band was found 1.63 eV showing that the SnS can be used as a significant materials for thin film solar cell [15].
Al electrodes were used as contact material for making the electrical connections.
MITRA, Structural and optical characteristics of SnS thin film prepared by SILAR, Materials Science-Poland, 33(4), pp. 847-851,( 2015)
Co-optimization of SnS absorber and Zn(O,S) buffer materials for improved solar cells, Prog.
[23] Yaxiong Guo, XinranWang, HongweiLei, ZuojunTan and bJianjunChen, Characterization of evaporated tin sulfide and its application for hybrid solar cell, Materials Letters, 251, Pp 234-237, (2019)

In this paper, we attempt to beneficiate locally sourced clays from Afuze area of Edo state using starch, caustic soda and sodium carbonate to determine its suitability as an oil well drilling fluid MATERIALS AND METHODS MATERIALS AND EQUIPMENT 1.
Applied Clay Science, 4: 357-372
‘Improvement of Rheological Properties of Drilling Fluid Using Locally Based Materials’.
Indian Journal of Engineering and Materials Sciences 1(10): 284 – 288
[8] Raw Materials Research Development Company Bulletin (R.M.R.D.C) 2005; www.rmrdc.gov.ng Viewed: August 2008

Shukhov at the development of innovative materials and composites for additive technologies.
Damme, Concrete material science: Past, present, and future innovations, Cement and Concrete Research 112 (2018) 5-24
Ermilov, Technological System and Units for Manufacturing of Fine and Ultrafine Materials, Transactions TSTU. 23(4) (2017) 680-687 [12] V.A.
Boitsova Mechanical Properties of Materials.
Ramachandran, 2nd Ed.: Properties, Science, and Technology, 1996

Introduction Standard silica sand is one of the important materials in preparing mortar in the testing of hydraulic cement quality.
Rw = rRN = rR.N (1) with: Rw : roundness r : radius of each individual corners R : radius of biggest imaginer circle inside particle N : number of individual corners The roundness of Sidrap sands before and after milling, as well as Ottawa sand were also measured in two laboratories: (a) Laboratory of Minerals and Materials, Sucofindo, Jakarta, and (b) Laboratory of Petrology, Study Program of Geological Engineering, Faculty of Earth Sciences and Technology, ITB, Bandung.
Ekolu, Potential South African standard sand for cement mortar testing and research, Proceeding of the First International Conference on Construction Materials and Structures, (2006), 253-260
Alam, Use of selected silica deposits of Bangladesh as standard sand in testing compressive strength of hydraulic cement mortars: A proposal for strength correlation, Journal of Civil Engineering, 40 (2), (2012) 181-202
Fang, Improving the roundness of foundry sands with artificial processing, International Journal of Cast Metals Research, 14:1, (2001) 37-42

Fire tests on protected concrete elements The fire behavior of protected concrete elements was studied with four fire tests conducted on the small horizontal furnace at EMPA (Swiss Federal Laboratories for Materials Science and Technology) in Dübendorf.
This confirms the validity of the material properties assumed for the HPC tested in fire.
References [1] Khoury G.A., Effect of Fire on Concrete and Concrete Structures, Progress in Structural Engineering and Materials V. 2, 2000, pp. 429-447
[2] Hertz K.D., Limits of spalling of fire-exposed concrete, Fire Safety Journal V. 38, 2003, pp. 103-116
[3] fib fédération internationale du béton, State-of-Art Report, Bulletin 38, Fire design of concrete structures – materials, structures and modelling, Lausanne, 2007

China 2College of Science Technology, China Three Gorges University, Yichang, Hubei 443002, P.
Its material properties are as: , , .
Acknowledgement This work is supported by the the National Natural Science Foundation of China (11202116) and the Foundation of China Three Gorges University (KJ2011B033).
Journal of Sound and Vibration, 2014, 333(3): 730-744