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Four commercially available elastomeric materials were selected for irradiation and testing.
The neutron/gamma dose ratio depends on the materials composition and on the spectra of the radiation fields.
All the materials showed significant radiation-induced degradation of their mechanical and structural properties.
A reduction of the swelling ratio (SR) with dose is observed for all the materials.
In fact, the total dose rate absorbed by the materials is approximately proportional to the reactor power.

One FBG is fixed on tested object, its wavelength is, and the other one is fixed on constructional element which has same material and temperature field, its wavelength is.
Selection of the material is crucial to the property of elastic component.
Material of the elastic component must have the feature of high elastic limit, small elastic hysteresis, corrosion resistant, good capability for machining, high fatigue limit and economical efficiency.
This project is from NSFC (Natural Science Foundation of China), number: 51074059 References [1] Cheng JianGuo, Liu XingPu, Li JunFang.
Design of three circle arc corrugated diaphragms, Chinese Journal of Scientific Instrument.1983,4(4):4-6

Besides, there is chemical material leakage to the songhuajiang river in Jilin and acid water pollution accident in Fujian, etc.
Chemical industry is a high-risk industry, according to the above chemical accident, from the transportation and storage of production materials, production process, to the transportation and storage of Industrial products, any improper handling will cause severe disasters of city safety.
On the production of raw materials, such as Sinopec, whose raw materials are natural gas (methanol, acetylene) and oil, in, once improperly transport of goods stored, will not only cause environmental pollution, but also cause explosion and poison residents.
[2] Information on http://www.stats.gov.cn/ [3] Information on http://www.chinasafety.gov.cn/ [4] XieYingxia, Zhu Sicheng, Urban Planning and Hazard Prevention of Urban Industry, Journal of Catastrophology, Vol.25 No.S0 Oct 2010, 20-24
A New Pattern of Risk Management: The Hyogo Framework for Action and Italian Practice, Socio-Economic Planning Sciences, Vo.l 42, Issue 2, 92-111, June 2008

CEP 50740-560 3Department of Materials Engeneering, Federal University of Campina Grande, R.
Experimental Materials For the preparation of film, we used PBAT (poly (butylene adipate-co-terephthalate)) produced by BASF, under the brand name: PBAT Ecoflex® F Blend C1200, Orange oil acquired from World of Oils, and Quimex chloroform PA was used as the solvent.
This rheology indicates the internal behavior of the materials [10].
The specific deformation is a measure of the elongation of the material until its rupture [20].
European Polymer Journal. 79 (2016) 82–96

The main goal of the analysis in the IE test is to obtain the information about the material integrity.
ACI Materials J 1992;89(4):394-405
ACI Material J 1996;93(1):75-86
[6] Abraham et al: Time Frequency Analysis of Impact-Echo Signals : Numerical Modeling and Experimental Validation, Technical Paper, ACI Materials Journal V.97, No. 6, Nov.
Legendre et al: Ultrasonic NDE of composite material structures using wavelet coefficients, NDT&E International, 34 (2001) pp. 31-37

Patil7,g 1Department of Chemistry, Baba Mastnath University, Rohtak -124021, Haryana, India. 2Department of Chemistry, Sri Eshwar College of Engineering , Coimbatore, 641202, India. 3Mahatma Gandhi Institute for Rural Industrialization, Wardha, 442001, Maharashtra, India. 4Battery Resarch Centre and Green Energy, Ming Chi University of Technology,New Teipei City, Taiwan 243. 5Department of Electronics and Communication Engineering, Saveetha Engineeering College, Chennai, India. 6New Maanbiotech, Private Limited, Hyderabad 500035, Telangana, India. 7Department of Environmental Science, Ratnagiri Sub-Campus, University of Mumbai, Ratnagiri, 415639, Maharshtra, India.
Experimental Procedures Material and Methods.
Using MoO3 and KSCN as starting materials, MoS2 materials with various morphologies were produced using a simple hydrothermal process under acid conditions.
Beizaei, Simultaneous sepration/ preconcentration of ultra trace heavy metals in industrial wastewaters by dispersive liguid-liquid microextaction based on solidification of floating organic drop prior to determination by graphite furnace atomic absorption spectrometry, Journal of Hazardous Materials.186, (2011), pp.1739-1743.

Influence of Layer Thickness on Internal Structure of Parts Manufactured from 316-L Steel Using SLM Technology BUICAN George-Răzvan1,a, OANCEA Gheorghe1,b, LANCEA Camil1,c and POP Mihai Alin2,d 1Department of Manufacturing Engineering, Transilvania University of Brasov, Mihai Viteazu 5, 500030, Brașov, România 2Faculty of Materials Science and Engineering, Transilvania University of Brasov, colina Universității nr. 1, 500174, Brașov, România abuican.george@unitbv.ro, bgh.oancea@unitbv.ro, ccamil@unitbv.ro, dmihai.pop@unitbv.ro Keywords: additive manufacturing; selective laser melting; metallographic study; histogram.
Each contour is melted in a new layer of material, layer that is added using a recoater.
Shi, Effect of molten pool boundaries on the mechanical properties of selective laser melting parts, Journal of Materials Processing Technology. 214 (2014) 2660-2667
Pop, Some considerations regarding microhardness of parts manufactured from 316-L steel using SLM technology, Applied Mechanics and Materials. 760 (2015) 515-520.

Cooling, Microstructure, and Properties of Permanent Steel Mold Cast Wrought AZ80 Alloy with Varying Casting Wall Sizes Peilin YINGa,*, Wutian SHENb, Anita HUc and Henry HUd Department of Mechanical, Automotive and Materials Engineering, University of Windsor, Windsor, Ontario, N9B 3P4, Canada ayingp@uwindsor.ca, bshen12a@uwindsor.ca, ca.hu@uwindsor.ca, dhuh@uwindsor.ca *Corresponding author Keywords: Wrought Mg Alloy AZ80, Permanent Steel Mold Casting, Microstructure, Properties, Numerical Simulation, Cooling, Casting Wall Size.
Experiment Procedure Material and Casting.
Acknowledgments The authors thank the Natural Sciences and Engineering Research Council of Canada and the University of Windsor for supporting this work.
Microstructure, tensile properties and fracture behavior of HPDC magnesium alloy AZ91, International Journal of Materials, Mechanics and Manufacturing. 8(2) (2020) 50-56
Experimental study on influence of section thickness on mechanical behavior of die-cast AM60 magnesium alloy, Materials & Design. 38 (2012) 124-132

Besides, its good solubility in water makes it be used wider than CS as an application of biological materials. [18].
Materials and methods Materials.
Acknowledgements The authors acknowledge financial support from the Natural Science Foundation of China (20806005) and Chinese Universities Scientific Fund (ZZ1025).
Conaway: Sulforaphane and its metabolite mediate growth arrest and apoptosis in human prostate cancer cells (Editorial Academy of the International Journal of Oncology, Athens, GRECE 2002)

This mode enables regeneration of protective layers by selective transfer of necessary material from a lubricating medium.
In order to visualize influence of tribological process running in selective transfer regime the Abbot-Firestone curve of countersample friction surface was drawn which determines material ratio (bearing area ratio) as the function of roughness profile height (Fig. 5).
In : Lubricants, Materials and Lubrication Engineering.
Materials Science 2008, vol. 14, No. 4, p. 202÷208
Journal of Academy of Armored Force Engineering 2006, Vol. 20, Issue 5, p. 86÷89