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Online since: August 2006
Authors: Koichi Niihara, Tohru Sekino, Hao Wang, Takafumi Kusunose, Tadachika Nakayama, Norihito Tanaka
Introduction Yttria stabilized tetragonal zirconia polycrystal (Y-TZP) has been one of the representative structural materials, which exhibits great transformation toughing [1].
Therefore, these materials were supposed to semiconductive materials as well as good electrical conductors.
Niihara, Journal of The Ceramic Society of Japan, Vol.111(2003), p. 457-460
Miyazaki, Journal of the Society of Materials Science, Japan, Vol. 39(1990), p. 1329-1339. �� ���� �� ���� �� ���� ���� �� ���� �� ���� � ��� ��� ��� ��� ��� ��� �HDW � Q���
� ��YR� �7� 1� &R� FRR� � Q���
� ��YR� �7� 1� &R� �HDW � Q���
� ��YR� �7� 1� � FRR� � Q���
� ��YR� �7� 1� � (� HFW U� FD� � 5HV� VW � Y� W
� � � � � FP 7HPSHUDW XUH� � � � Fig.5 The electrical resistivity of 3Y� TZP/30vol%TiNi, 3Y-TZP/30vol%TiNiCo(Ti:Ni:Co=50:48:2) between 50 °C and 500 °C.
Online since: February 2011
Authors: Qiu Lian Wang, Cong Bo Li
The biggest challenges in material reprocessing are locating markets for materials and determining the appropriate purity end-point during their reprocessing.
Reprocessing: The raw material of machine tool is cast iron and steel, correspondingly pure.
What’s more, metal material is one of the most common raw materials; therefore the requirement is stable in the market.
Acknowledgment This research is supported by the Social Science Fund of Nanchang University (No.09XGL01), Natural Science Foundation key Project of China (No.51035001) and Natural Science Foundation Project of CQ CSTC (No.
Rosen, et al: Journal of cleaner production, Vol.11 (2003), p.445
Online since: November 2013
Authors: Tamaz Eterashvili, Temur Dzigrashvili, M. Vardosanidze
Introduction The low-cycle fatigue fracture (LCF) of austenitic nickel-chromium steels is one of the important problems of physics of strength and plasticity and materials science in the large, because of their wide application in power-generating machines and many other branches of industry.
“Multi-scale modeling in the RPV Mechanics sub-project will link the flow and fracture behavior or irradiated RPV materials at the micro- and macro level
Portella 1998, Elsevier Science
Dunne, Microstructure-sensitive computational modeling of fatigue cracks formation,International Journal of fatigue, 2010, v: 32, Pages: 1521-1542, [8] T.
[12] Agar Uguz and John Martin , Plastic Zone Size Measurement Techniques for Metallic Materials, Materials Characterization N 37, 1996, pp. 105-118
Online since: October 2012
Authors: Da Long Liu, Qun Zhang, Quan He
Table 1 Building materials of the traditional house Components Building materials Walls 400mm-thick adobe Roofs Wooden flat roof, 200mm-thick grass mud as insulation, indoor papering ceiling Windows Single-layer glass, wooden frames Floor 200mm-thick stone cushion, solid brick surface New house.
Fig.1: Plan of the traditional house Fig.2: Plan of the new house Building materials of the new house are shown in Table 2.
Acknowledgements This work was financially supported by the National Natural Science Foundation of China (50921005 / E0803).
Shanghai: Shanhai Science Technology Press (1989).
Journal of Hunan University (Natural Sciences), Vol.36 (2009), p. 168-171
Online since: October 2012
Authors: Wei Ping Hu, Yu Mian Liu
Therefore, environmental protection type finishing materials are developed to meet people’s demand for soundness.
Glass is one of the staple finishing materials in interior architectures, featuring its transparency.
Materials and Methods Materials.
The antibacterial property of the novel self-cleaning glass was evaluated according to JC/T 897-2002 of Materials Industry Standards of PR.
Journal of Colloid and Interface Science, 2012, 366: 135
Online since: September 2014
Authors: Pei Lei Yan, Ming Zhen Wang, Bai Tao Sun
In general, building materials of brick columns and walls are brick masonry, roof truss systems’ are wood or steel rebar, and roof tiles overlying on the roof systems are usually made of grey tiles, waveform asbestos tiles or reinforced concrete materials.
There are four kinds of materials in the finite element model, which are brick masonry, concrete, wood and steel rebar.
Brick masonry and concrete materials use concrete damage plasticity model in the ABAQUS/Explite module.
JOURNAL OF EARTHQUAKE ENGINEERING AND ENGINEERING VIBRATION, 2013,33(3):1-8.
Jinan: Shandong science & technology press,1991.
Online since: August 2015
Authors: A. Shanmugasundaram, A.K. Lakshminarayanan, V.E. Annamalai
References [1] Jun Shen, Guoqiang You, Siyuan Long, Fusheng Pan, Abnormal macropore formation during double-sided gas tungsten arc welding of magnesium AZ91D alloy, Materials Characterization. 59 (2008) 1059 – 1065
Mark, Hot cracking in tungsten inert gas welding of magnesium alloy AZ91D, Materials Science and Technology. 23 (2007) 1294-1299
Kohn, Mechanical properties and microstructure of gas tungsten arc welded magnesium AZ91D plates, Materials Science and Engineering A. 302 (2001) 68–73
[4] Won-Bae Lee, Jong-Woong Kim, Yun-Mo Yeon, Seung-Boo Jung, The Joint Characteristics of Friction Stir Welded AZ91D Magnesium Alloy, Materials Transactions. 44 (2003) 917-923
[5] SHC Park, Y.S.Sato, H.Kokawa, Microstructural evolution and its effect on hall petch relationship in friction stir welding of thixomolded Mg alloy AZ91D, Journal of materials science. 38 (2003) 4379-4883
Online since: October 2014
Authors: Susan Trolier-McKinstry, Paul M. Solomon, Glenn J. Martyna, Bruce G. Elmegreen, Matt Copel, Marcelo A. Kuroda, Thomas M. Shaw, Alejandro G. Schrott, Xiao Hu Liu, Dennis M. Newns
Physics of PET Materials Polarization Rotation in Relaxor-based Piezoelectric Single Crystals.
The Piezoresistor materials suitable for the PET application need to satisfy several criteria.
The materials of interest, including SmSe, have a rocksalt-structure with a simplified band structure shown in Fig. 3 (for SmSe).
Note that even when not fully occupied there is still no 4f conduction since the holes are strongly localized in these materials [17].
Materials and Device fabrication SmSe.
Online since: November 2012
Authors: Di Cui, Ping Guan, Yan Zhang
This is not only requests to improve the mechanical properties of concrete materials, but also needs to find a new kind of reinforcement material to replace the reinforced bars.
Shape memory alloy (SMA) is a kind of unique smart material which has shape memory effect and superelasticity.
Recently, with the development of smart materials and structures, as well as the improvement of materials processing technology, SMAs were embedded in concrete members or structures instead of ordinary steel reinforcements.
Ou: China Railway Science, Vol. 29 (2008), No.4, p.41.
Zou: Journal of Building Materials, Vol.13 (2010), No.2, p.237.
Online since: March 2014
Authors: Rahul Davis
Introduction Mettalic Materials have been widely used by the design engineers in designing structures and machine elements.
While being the standard for plastics it is also used on other materials [4].
The same tests can also be done on materials like Plastics, Polymers, Ceramics and Composites e.t.c
References [1] KFUM Open Course Ware, Reading Assignment: 8.6 in Callister [2] Kakani S.L.: Material Science, New Age International, 2006 [3] Ductile Iron Data for Design Engineers, Section III. 
Daramola et al: Effects of Heat Treatment on the Mechanical Properties of Rolled Medium Carbon Steel, Journal of Minerals & Materials Characterization & Engineering, Vol. 9, No.8, 2010, pp.693-708