Search results

Analysis of the strain-rate beahavior of a basalt fiber reinforced mortar Domenico ASPRONE 1, Fabio IUCOLANO2, Ezio CADONI3, Andrea PROTA1 1Department of Structural Engineering - University “Federico II” of Naples, Naples, Italy 2Department of Materials and Production Engineering - University of Naples “Federico II”, 3University of Applied Sciences of Southern Switzerland, Lugano, Switzerland Keywords: Basalt fibers, fiber reinforced mortar, tensile strength, strain rate, Dynamic Increase Factor.
Fiber reinforced inorganic materials, such as concrete or mortars, are expected to present good mechanical properties in case of high dynamic loading conditions, as those induced by impact or blast actions.
Introduction Investigation on dynamic properties of construction materials is becoming a crucial issue for structural engineering.
UK. 1993 [2] Malvar L.J. and Ross C.A. ”Review of strain-rate effects for concrete in tension” ACI Materials Journal vol. 95. 1998. pp. 735-739 [3] Banthia.
ACI Materials Journal. vol. 95. 1998. pp. 609-616

The new material structure design and research of the GaAs-based resonant tunneling diodes Jie Wanga, Binzhen-Zhangb National Key Laboratory for Electrinic Mesurement Technology,Key Laboratory of Instrumentation Science & Dynamic Measurement,Ministry of Education.
RTD is a super-lattice structure, its core is a nano-thin layer of wide band-gap material sandwiched nano-thin narrow band gap materials.
RTD's design including mask design, material growth and processing technology, material growth design is the key part of the whole design.
[2] Zhang Lei，Yang Ruixia，Wu Yibin.Study of RTD Grown on GaAs Substrate[J].Chinese Journal of Smeconductors.2007,28(5):737
Chinese Journal of Sensors and Actuators.2008,21(3):447

A Facile Self-assembly Synthesis of Whiskey ZnFe2O4 as Superior Anode Materials for Lithium-ion Batteries Xin-yu Wang1,a, Xian-hua Hou1,2,b, She-jun Hu1,2,c, Wan-li Zhang1,d and Jun-wei Mao1,e 1Laboratory of Quantum Engineering and Quantum Materials, School of Physics and Telecommunication Engineering, South China Normal University, Guangzhou 510006, China 2Engineering Research Center of Materials & Technology for Electrochemical Energy Storage (Ministry of Education), Guangzhou 510006, China awangxy901123@126.com, bhouxh@scnu.edu.cn, chouxh5697@163.com, dzwl020940107@163.com, e15521037239@163.com Keywords: Zn ferrite, Lithium ion battery, anode materials, precipitation method Abstract.
These nanoparticles and voids are appeared between the nanoparticles, which are beneficial to the reaction between the materials and electrolyte.
Shao: Journal of Power sources.
Tachibana: Journal of Power sources.
Hirano: Journal of Power sources.

Optimization of Unidirectional Material Handling System with Short-cut Kun XIA 1, a Juntao LI 2,b and Hiroshi KISE 3,c 1,2College of Engineering Science and Technology, Shanghai Ocean University/Shanghai 3 Kyoto Institute of technology/Kyoto, Japan a cherise_kun@163.com, b jtli@shou.edu.cn, c kise@kit.ac.jp Keywords: Material Handling System; Scheduling; Short-cut; Optimization Abstract: Unidirectional circulation-type material handling system on a single loop with a shortcut is a typical and basic unit in a flexible manufacturing system (FMS).
Processing stage Vehicle Fig.1 Unidirectional Material Handling System with Short-cut.
Journal of Intelligent Manufacturing, Vol.15 (2004), p. 87-102 [2] Nobuaki Ishii and Joseph J.
The International Journal of Flexible Manufacturing Systems, Vol.6 (1994), p. 69-87 [3] Srinivasan Rajagopalan, Sunderesh S.
European Journal of Operational Research, Vol.178 (2007), p. 85-91

Matlock, Overview of processing, microstructural and mechanical properteies of UFG bcc steels, Materials Science and Engineering A 441(2006) 1-17
El-Rayes, Enhancement of mechanical properties and grain size refi{TTP}-1279 nement of commercial purity aluminum 1050 processed by ECAP, Materials Science and Engineering A 458 (2007) 226–234
McNelly, Microstructural evolution in commercially purity aluminum during high pressure torsion, Materials Science and Engineering A 410-411 (2005) 277-280
Brzostowicz, Lüders effect in Al 99.7% extruded via the KoBo method, International Journal of Materials Research 105 (2014) 894-899
Horita, Microstructural evolution in pure aluminum processed by high-pressure torsion, Materials Science and Engineering A 503 (2009) 32–36

Effect of NH4H2PO4 Content on Properties of the Mullite-Based Investment Materials Guilin Yu 1, a, Nan Li 2,b , Yousheng Li2,b and Yining Wang 3,c 1 College of Medicine, Wuhan University of Science and Technology, Wuhan, China 2 The Hubei Province Key Laboratory of Refractories and Ceramics, Wuhan University of Science and Technology, Wuhan, China 3 Department of Prosthodontics, College of Stomatology, Wuhan University, Wuhan, China ayuguilin46@163.com, blinan@wust.edu.cn, c yiningwang@163.com Keywords: Investment Materials; Compressive Strength; Setting Expansion; Thermal Expansion Abstract.
The casting accuracy in clinic is close related to properties of the investment materials [1,2].
The mullite-based investment materials consist essentially of filler and binder.
Materials and methods The Composition of the mullite-based investment materials is given in Table 1: Table.1 Composition (wt%) of the mullite-based investment materials.
Clem: submitted to Journal of Materials Research (2003) [6] P.G.

Preparation and Properties of Polysiloxane Modified Epoxy Encapsulating Material Haoran Zhou 1, a, Hongxia Li2,b and Weimiao Yu3,c 1School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150080, China 2School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150080, China 2School of Material Science and Engineering, Harbin University of Science and Technology, Harbin 150080, China ahaoran1963@hotmail.com, blihongxia0820@126.com, cmiao0911@163.com Keywords: Epoxy resin.
And we determined the best raw materials ratio and reaction conditions.
Experimental 1.1 materials Epoxy resins (E-44, Wuxi Lanxing New Materials Factory).
Journal of Applied Polymer Science, 1996, 62: 217-225
Journal of Applied Polymer Science, 2001, 79, 652-661

This allows FG on this parameter to be attributed to gypsum raw materials.
According to SanPiN 2.6.1.2523-09 “Radiation Safety Standards (NRB – 99/2009)” (Clause 5.3.4) phosphogypsum (A <370 Bq/kg) refers to Class I materials (materials used in residential and public buildings).
From table 2 it is seen that the purest is FG from apatite raw materials.
Building materials.
Materials Science.

Precursor materials with different carbon sources were prepared by planetary ball-milling without dispersant.
The structure, morphology and electrochemical properties of prepared materials were characterized by different analyses.
The structure of synthesized materials was derived from X-ray diffraction (XRD: D/max-3B, Rigaku) data by using CuKa radiation.
Ahn, et al: Journal of Physics and Chemistry of Solids Vol.69 (2008),p. 1257 [5] Y.D.
Kao, et al: Journal of Power Sources Vol,189 (2009),p. 256 [6] X.D.

Experiments Materials.
Polymeric Foams Mechanisms and Materials.
MENG, et al: Journal of Functional Materials，2012,43(6): 708-711
[8] Feldman D, Banu D: Journal of applied polymer science, 1997, 66(9): 1731-1744
M: Journal of Applied Polymer Science. 2003, 88: 3139-3150