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Online since: February 2011
Authors: Wen Liu, Xianyi Li, Xuan Pu Dong, Zi Tian Fan, Ji Qiang Li
State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
ajqlinit@yaoo.com.cn,bfanzt@mail.hust.edu.cn,cdongxp@mail.hust.edu.cn,ddavynjtu@126.com, elxy@nit.zju.edu.cn
Keywords: Magnesium alloys; Mechanical vibration; Microstructure; Mechanical property
Abstract: Mechanical vibration was introduced into the solidification in order to overcome the defects of coarse microstructure and low mechanical properties of the AZ91D magnesium alloy via lost foam casting(LFC).
Besides, Tensile test bars were fabricated to a gauge length of 80 mm and a gauge diameter of 10 mm , and the tensile tests were carried out at a strain rate of 1.0 mm/ min in a materials test machine.
Fig.3 Fracture surface of AZ91D alloy via LFC in different processing (a) As-cast; (b) Vibration-freezing Discussion Usually, the microstructure of materials depends on the nucleation process and on the growth conditions.
Acknowledgements This research was supported by the National High Technology Research and Development Program of China (Grant No. 2007AA03Z113), and the Natural Science Foundation of Ningbo, China (Grant No. 2008A610049).
Huang: The Chinese Journal of Nonferrous Metals.Vol.16 (2006), P.1838-1844(In Chinese)
Besides, Tensile test bars were fabricated to a gauge length of 80 mm and a gauge diameter of 10 mm , and the tensile tests were carried out at a strain rate of 1.0 mm/ min in a materials test machine.
Fig.3 Fracture surface of AZ91D alloy via LFC in different processing (a) As-cast; (b) Vibration-freezing Discussion Usually, the microstructure of materials depends on the nucleation process and on the growth conditions.
Acknowledgements This research was supported by the National High Technology Research and Development Program of China (Grant No. 2007AA03Z113), and the Natural Science Foundation of Ningbo, China (Grant No. 2008A610049).
Huang: The Chinese Journal of Nonferrous Metals.Vol.16 (2006), P.1838-1844(In Chinese)
Online since: May 2011
Authors: Sam Young Noh, Eun Mi Sin
Introduction
The numerical damage simulation with a proper material model describing all significant damage phenomena offers detailed damage information at least in the local level of the material point or Gauss-point of the FE-element.
Both specimens have the same geometry and material parameters.
Table 1 indicates the material property given in [3].
Acknowledgement This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education, Science and Technology(No. 2010-0024960) Reference [1] R.
Smith: Basic reinforced concrete frame performance under vertical and lateral loads, ACI Journal, Title No. 70-28, (1973) pp.261-269.
Both specimens have the same geometry and material parameters.
Table 1 indicates the material property given in [3].
Acknowledgement This research was supported by Basic Science Research Program through the National Research Foundation of Korea(NRF) funded by the Ministry of Education, Science and Technology(No. 2010-0024960) Reference [1] R.
Smith: Basic reinforced concrete frame performance under vertical and lateral loads, ACI Journal, Title No. 70-28, (1973) pp.261-269.
Online since: May 2014
Authors: Jin Ming Lu
Experiments
Raw materials
Raw material is 100% Xinjiang long-staple cotton, cotton assorting average level is 2, the performance of raw material is shown in Table 1.
Table1 The performance of raw material fineness/ dtex average length/mm moisture regain/% trash content /% Micronaire Maturity short fiber ratio/% breaking strength/cN.dtex-1 Neps/.g-1 1.53 37.0 6.7 1.91 3.8 1.62 7.2 4.52 108 Yarns JC9.7Tex ring spinning yarn and JC9.7Tex compact spinning yarn, the yarns are Z twist, twist of yarns is 115.2.
Wool Textile Journal,2011,39(9):23-25 [2] FANG Ying-jie, WANG Ai-ping.
Yarn forming quality comparison of compact spinning against ring spinning [J].Shanghai Textile Science & Technology,2006,34(4):26-27 [3] LU Li-bin,XU Ying-chun.
Research on performances of compact spun yarn and ring spun yarn [J].Shanghai Textile Science & Technology,2006,34(4): 29-30 [4] Xu Hong,Shan Xiao-hong.Property Comparison between Two- type Compact Yarn and Ring Yarn[J].Cotton Textile Technology,2004,32(4):12-15
Table1 The performance of raw material fineness/ dtex average length/mm moisture regain/% trash content /% Micronaire Maturity short fiber ratio/% breaking strength/cN.dtex-1 Neps/.g-1 1.53 37.0 6.7 1.91 3.8 1.62 7.2 4.52 108 Yarns JC9.7Tex ring spinning yarn and JC9.7Tex compact spinning yarn, the yarns are Z twist, twist of yarns is 115.2.
Wool Textile Journal,2011,39(9):23-25 [2] FANG Ying-jie, WANG Ai-ping.
Yarn forming quality comparison of compact spinning against ring spinning [J].Shanghai Textile Science & Technology,2006,34(4):26-27 [3] LU Li-bin,XU Ying-chun.
Research on performances of compact spun yarn and ring spun yarn [J].Shanghai Textile Science & Technology,2006,34(4): 29-30 [4] Xu Hong,Shan Xiao-hong.Property Comparison between Two- type Compact Yarn and Ring Yarn[J].Cotton Textile Technology,2004,32(4):12-15
Online since: May 2012
Authors: Yu Wei Huang, Da Quan Sun, Meng Jun, Wei Ming Zhang, Xue Chao Guan, Yu Lan, Ji Ping Gao, Wen Fu Chen
Materials and methods
Site description
The field experiment was conducted in a brown soil which was located in Shenhe District, Shenyang, Liaoning Province, China(40o48’N,123o33’E).
Agronomy Journal 78, 184–189
Science 320 629-629
Soil Science Society of America Journal 68, 1945–1962
Science 186, 53–55
Agronomy Journal 78, 184–189
Science 320 629-629
Soil Science Society of America Journal 68, 1945–1962
Science 186, 53–55
Online since: January 2013
Authors: Yan Lin Sun, Hong Wang, Yun Hua Huang, Xiang Yu
The isolation materials can be micro water droplet fog produced by ultrasonic atomizer, dendritic foams (such as polymeric foam, metal foam, glass foam, or vitreous material foam)[8], polyethylene powders[14], or hydrophobic particles (such as silicon dioxide)[15], etc.
In recent years, polymer microsphere materials have been developed rapidly.
There are some extraordinary properties because of their special sizes and morphology, which other materials do not have.
Journal of Medical Pest Control(in Chinese).
Polymer Microsphere Materials(in Chinese).Chemical Industry Press. (2005) [26] CN102585279A[P].
In recent years, polymer microsphere materials have been developed rapidly.
There are some extraordinary properties because of their special sizes and morphology, which other materials do not have.
Journal of Medical Pest Control(in Chinese).
Polymer Microsphere Materials(in Chinese).Chemical Industry Press. (2005) [26] CN102585279A[P].
Online since: April 2012
Authors: Qiu Ju Sun, Zhong Li Jiang, Yan Ran Zhang, Lin Li
It is well known that the mechanical properties of filler-reinforced polymeric composites significantly depend on the interfacial adhesion between the polymer matrix and reinforcing component [2], particularly when the reinforcing component was inorganic materials.
Because the polarity of the fillers are bigger than that of polymer matrix, the surface treatment for filler materials contributes to improve the interfacial interactions with the matrix and the method using coupling agent to treat the fillers is most common.
Experimental details Materials CaCO3 whiskers were obtained from Qinghai Institute of Salt Lakes, Chinese Academy of Science (China).
Before blending, all materials were dried at 120°C for at least 12hrs and all the blends had a fixed PP ratio and different content of the treated whisker.
Z.: Composites, Vol.70(1998), p. 431 [3] Yuexin H., Lixia L. and Wanzhong Y.: Journal of Northeastern University (Natural Science), Vol.30(2009), p.133 [4] Huiling Sh.
Because the polarity of the fillers are bigger than that of polymer matrix, the surface treatment for filler materials contributes to improve the interfacial interactions with the matrix and the method using coupling agent to treat the fillers is most common.
Experimental details Materials CaCO3 whiskers were obtained from Qinghai Institute of Salt Lakes, Chinese Academy of Science (China).
Before blending, all materials were dried at 120°C for at least 12hrs and all the blends had a fixed PP ratio and different content of the treated whisker.
Z.: Composites, Vol.70(1998), p. 431 [3] Yuexin H., Lixia L. and Wanzhong Y.: Journal of Northeastern University (Natural Science), Vol.30(2009), p.133 [4] Huiling Sh.
Online since: January 2010
Authors: Cheng Jia Shang, Chuang Li, Chang An Zheng, Xin Lai He, Xue Min Wang
Precipitation behavior of steels with various copper
during continuous cooling
Xuemin Wanga, Chuang Lib, Chengjia Shangc,Changan Zheng and Xinlai He
School of Materials Science and Engineering, University of Science and Technology Beijing,
100083 China
a
wxm@mater.ustb.edu.cn, btalent32101@yahoo.com.cn, ccjshang@mater.ustb.edu.cn
Keywords: copper-rich phase, precipitation, steels with copper, interphase precipitates,
continuous cooling.
Experimental materials and methods Experimental materials.
[2] Yokio T, Takahashi M, Maruyama N, et al: J of Materials Science Vol.36(2001), p.5757
[3] Wang X, Zhou G, Yang S et al: The journal of iron and steel research Vol.12(2000), p.40
[7] N Maruyama, M Sugiyama, T Hara: Materials Transactions JIM Vol.40(1999), p.268
Experimental materials and methods Experimental materials.
[2] Yokio T, Takahashi M, Maruyama N, et al: J of Materials Science Vol.36(2001), p.5757
[3] Wang X, Zhou G, Yang S et al: The journal of iron and steel research Vol.12(2000), p.40
[7] N Maruyama, M Sugiyama, T Hara: Materials Transactions JIM Vol.40(1999), p.268
Online since: July 2014
Authors: Manoj Gupta, Khin Sandar Tun, Xing He Tan, Teck Kheng Lee, Goh Chwee Sim, Chan Kwok Jimmy Weng, Kwok Wai Richard Onn
Materials Characterization.
%Al alloy, Materials Science and Engineering A. 402 (2005) 142-148
Inoue, High Specific Strength Mg-Based Bulk Metallic Glass Matrix Composite Highly Ductilized by Ti Dispersoid, Materials Science and Engineering A. 494 (2008) 299-303
Buschow (Eds.), Handbook of Magnetic Materials, Elsevier, Oxford, 2013, pp. 131-165
Schultz, Cooling Rate Evaluation for Bulk Amorphous Alloys from Eutectic Microstructures in Casting Process, Materials Transactions. 43 (2002) 1670-1675.
%Al alloy, Materials Science and Engineering A. 402 (2005) 142-148
Inoue, High Specific Strength Mg-Based Bulk Metallic Glass Matrix Composite Highly Ductilized by Ti Dispersoid, Materials Science and Engineering A. 494 (2008) 299-303
Buschow (Eds.), Handbook of Magnetic Materials, Elsevier, Oxford, 2013, pp. 131-165
Schultz, Cooling Rate Evaluation for Bulk Amorphous Alloys from Eutectic Microstructures in Casting Process, Materials Transactions. 43 (2002) 1670-1675.
Online since: January 2013
Authors: Xue Yi Guo, Ying Yang, Jia Rui Cui, Peng Fei Yi, Si Xiao
Therefore, researchers using a p-type semiconductor materials [5,6], the hole transport materials [7], polymer and polymer gel materials [8,9], and other new materials [10,11] as solid or quasi-solid electrolyte replace the liquid electrolyte.
Experiments Materials.
Acknowledgements This work was financially supported by the National Nature Science Foundation of China (61006047 and 11104356) References [1] B.O’Regan, M.
Vol. 115(1993), p.6382 [3] Yella A, Lee H W, Tsao H N, et al: Science Vol. 334(2011), p.629 [4] W.
Ma, et al: Chinese Journal of Power Sources Vol. 28(2004), p.440 [16] H.
Experiments Materials.
Acknowledgements This work was financially supported by the National Nature Science Foundation of China (61006047 and 11104356) References [1] B.O’Regan, M.
Vol. 115(1993), p.6382 [3] Yella A, Lee H W, Tsao H N, et al: Science Vol. 334(2011), p.629 [4] W.
Ma, et al: Chinese Journal of Power Sources Vol. 28(2004), p.440 [16] H.
Online since: October 2015
Authors: Porntip Tooptompong, Jantip Setthayanond, Chakkrit Charoensai, Sasswat Sittikoon, Somporn Chanchanuan
Hydrogels are also employed as adsorbent materials for wastewater treatment [3-5].
Experimental Materials.
European Polymer Journal.
Materials.
Materials Science and Engineering C Vol. 32(1) (2012), p. 452-463 [9] N.
Experimental Materials.
European Polymer Journal.
Materials.
Materials Science and Engineering C Vol. 32(1) (2012), p. 452-463 [9] N.