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Online since: September 2013
Authors: Wen Hui Yue, Jian Xin Weng, Peng Hui Duan, Yong Xing Zhu
Remanufacturing Cleaning Technology
After dismantling, the cleaning of waste products according the different of shape of parts, materials, the location of the cleaning, cleaning of dirt, damaged condition to take corresponding method for cleaning.
Compared with solid, liquid and gaseous materials, it has different physical and chemical properties, thus plasma is also called the fourth state of matter.
Shi: Chinese Journal of Mechanical Engineering, Vol. 48 (2012) No.15, pp.96-104.
Grigoropoulos: Apply Surface Science, Vol.26 (1998) No.1, pp.127
Sherman: Particulate Science and Technology, Vol. 25 (2007) No.1, pp.37-57
Compared with solid, liquid and gaseous materials, it has different physical and chemical properties, thus plasma is also called the fourth state of matter.
Shi: Chinese Journal of Mechanical Engineering, Vol. 48 (2012) No.15, pp.96-104.
Grigoropoulos: Apply Surface Science, Vol.26 (1998) No.1, pp.127
Sherman: Particulate Science and Technology, Vol. 25 (2007) No.1, pp.37-57
Online since: April 2015
Authors: Li Yuan Niu, Shiuan Ho Chang, Ji Xing Lin, Yi Chang Su, Guang Yu Li
Investigation on the Compound Phosphate Film Formed in Bath with Cerium Salts on the Magnesium Aluminum Alloy
Liyuan Niu1, 3, a, Shiuan-Ho Chang1, b*, Jixing Lin1, 3, c, Yichang Su1, 3, d
and Guangyu Li2, 3, e
1Depart. of Material Engineer, Zhjiang Industry & Trade Vocational College,
Wenzhou, 325000 China
2College of Materials Science and Eng., Jilin University, Nanling Campus,
Changchun, 130025 China
3Wenzhou Laser Technology Joint Research Institute, Wenzhou, 325003 China
aniuliyuan@foxmail.com, b1802186169@qq.com, c70818324@qq.com, dcharisclear@vip.qq.com, e1191039463@qq.com
Keywords: Mg-Al alloy, Composite phosphate, Cerium salt, Photo-absorption
Abstract.
Introduction Mg-Al alloy which is a modern and one of the lightest structural materials has many excellent physical and mechanical properties such as high strength and stiffness, ease of cutting machining and casting, good shock absorption, high resistance of shock and vibration loads, good conductivity of heat and electricity, and well electromagnetic shielding effectiveness.
[7] Liyuan Niu, Shiuan-Ho Chang, Xian Tong, Guangyu Li, Zimu Shi, Analysis of characteristics of vanadate conversion coating on the surface of magnesium alloy, Journal of Alloys and Compounds, 617, (2014), 214-218
Introduction Mg-Al alloy which is a modern and one of the lightest structural materials has many excellent physical and mechanical properties such as high strength and stiffness, ease of cutting machining and casting, good shock absorption, high resistance of shock and vibration loads, good conductivity of heat and electricity, and well electromagnetic shielding effectiveness.
[7] Liyuan Niu, Shiuan-Ho Chang, Xian Tong, Guangyu Li, Zimu Shi, Analysis of characteristics of vanadate conversion coating on the surface of magnesium alloy, Journal of Alloys and Compounds, 617, (2014), 214-218
Online since: May 2013
Authors: Ling Zhi Sun, Xu Zhang
Characterization of Fluorinated Multi-walled and Single-walled Carbon Nanotubes Using High Resolution XPS and EDX
Lingzhi Sun 1, 2, a and Xu Zhang 1, 2, b, *
1 College of Life Science and Technology, Yancheng Teachers University, Jiangsu province, P.R.
Nowadays, nanomaterials (nanotubes, nanoparticles, mesoporous material) were also considerable studied for therapeutic drug delivery.
It was well known that conventional administration of chemotherapeutic drugs is often compromised by the lack of selectivity, inability of drugs to overcome cellular barriers [13] and lack of clinical procedures for overcoming multidrug resistant cancer [14], and nano-materials sound an excellent choice.
The conclusion can be achieved: (1) SWCNTs are more reactive than MWCNTs, thus far the SWCNTs can be easier degraded and less cytotoxic in the cell. (2) The thinner diameters (~0.5nm) make the SWCNTs easier to overcome cell membrane barrier and this property may make SWCNTs a better drug delivery materials than MWCNTs.
[2] GAO Quan-yong, Z.J., YANGYong, Journal of Electrochemistry, 2005. 11(01): p. 87-91
Nowadays, nanomaterials (nanotubes, nanoparticles, mesoporous material) were also considerable studied for therapeutic drug delivery.
It was well known that conventional administration of chemotherapeutic drugs is often compromised by the lack of selectivity, inability of drugs to overcome cellular barriers [13] and lack of clinical procedures for overcoming multidrug resistant cancer [14], and nano-materials sound an excellent choice.
The conclusion can be achieved: (1) SWCNTs are more reactive than MWCNTs, thus far the SWCNTs can be easier degraded and less cytotoxic in the cell. (2) The thinner diameters (~0.5nm) make the SWCNTs easier to overcome cell membrane barrier and this property may make SWCNTs a better drug delivery materials than MWCNTs.
[2] GAO Quan-yong, Z.J., YANGYong, Journal of Electrochemistry, 2005. 11(01): p. 87-91
Online since: September 2007
Authors: S.L. Ko, Yuri Mikhailovich Baron, S.R. Jo
Therefore, it is crucial to select an
adequate abrasive material which shows consistent surface conditions and high efficiency during
the machining process.
Sufficient supply of new powder improves the deburring efficiency and the surface roughness. 0 0.001 0.002 0.003 0.004 0.005 before Fe-Tic Fe Ra(mm) Fig .15 Variation of surface roughness according (a) (b) (c) Fig. 16 Pictures of Surface-(a) before, and after 7min with (b) Fe-Tic (c) Fe Acknowledgment This work was supported by the Ministry of Science and Technology of Korea through the National Research Laboratory (NRL) program.
[3] Hitomi Yamaguchi and Takeo Shinmura, "Study of an internal magnetic abrasive finishing using a pole rotation system .Discussion of the characteristic abrasive behavior," Precision Engineering Journal of the International Societies, pp.237-244, 2000
Baron,, "Effective Deburring of Micro Burr using Magnetic Abrasive Finishing Method," Key Engineering Materials(ISSN 1013-9826), Vols. 291- 292, Trans Tech Engineering, pp.259-264, 2005 [7] S.L.Ko and B.K.Kim, "Burr Formation Experiment in drilling on the Inclined Exit Surface," 4th Asia Pacific Forum on Precision Surface Finishing and Deburring Technology, 2005.6.6-9, Taichung, Taiwan, pp19-24 [8] Yuri M.
Baron, S.L.Ko and J.I.Park, "Characterization of the magnetic abrasive finishing method and its application to deburring," Key Engineering Materials (ISSN 1013-9826), Vols. 291-292, Trans Tech Engineering, pp.291-296, 2005 [9] S.L.Ko and H.M.To, "An Effective Visualization and Anaysis Method for Burr Measurement," 8th Int. conf. on PSFDT(precision surface finishing and deburring technology), 7-10 Nov. 2006, Kansai university, Osaka, Japan, pp.111-115
Sufficient supply of new powder improves the deburring efficiency and the surface roughness. 0 0.001 0.002 0.003 0.004 0.005 before Fe-Tic Fe Ra(mm) Fig .15 Variation of surface roughness according (a) (b) (c) Fig. 16 Pictures of Surface-(a) before, and after 7min with (b) Fe-Tic (c) Fe Acknowledgment This work was supported by the Ministry of Science and Technology of Korea through the National Research Laboratory (NRL) program.
[3] Hitomi Yamaguchi and Takeo Shinmura, "Study of an internal magnetic abrasive finishing using a pole rotation system .Discussion of the characteristic abrasive behavior," Precision Engineering Journal of the International Societies, pp.237-244, 2000
Baron,, "Effective Deburring of Micro Burr using Magnetic Abrasive Finishing Method," Key Engineering Materials(ISSN 1013-9826), Vols. 291- 292, Trans Tech Engineering, pp.259-264, 2005 [7] S.L.Ko and B.K.Kim, "Burr Formation Experiment in drilling on the Inclined Exit Surface," 4th Asia Pacific Forum on Precision Surface Finishing and Deburring Technology, 2005.6.6-9, Taichung, Taiwan, pp19-24 [8] Yuri M.
Baron, S.L.Ko and J.I.Park, "Characterization of the magnetic abrasive finishing method and its application to deburring," Key Engineering Materials (ISSN 1013-9826), Vols. 291-292, Trans Tech Engineering, pp.291-296, 2005 [9] S.L.Ko and H.M.To, "An Effective Visualization and Anaysis Method for Burr Measurement," 8th Int. conf. on PSFDT(precision surface finishing and deburring technology), 7-10 Nov. 2006, Kansai university, Osaka, Japan, pp.111-115
Online since: June 2006
Authors: Liang Chi Zhang, Wun Chet Davy Cheong
Ohring: Materials Science of Thin Films (Academic Press, San Diego, 2002)
Zhang and H.Tanaka: JSME International Journal Series A: Solid Mechanics & Material Engineering Vol. 14 (1999), p. 546
Zhang: Key Engineering Materials Vol. 603 (2003), p. 233
Zhang and H.Tanaka: JSME International Journal Series A: Solid Mechanics & Material Engineering Vol. 14 (1999), p. 546
Zhang: Key Engineering Materials Vol. 603 (2003), p. 233
Online since: December 2013
Authors: Yao Xiong, Ming Jie Ma, Guan Yu Wang, Shan Xiu Huang, Guang Yi Cai, Wei Jie Guo
Contrastive analysis on low temperature carbonization of longkou and yaojie oil shale in aluminum retort
XIONG Yao1,a,MA Mingjie1,b, WANG Guanyu1,c, HUANG Shanxiu1,d, CAI Guangyi1,e, GUO Weijie1,f
1School of Materials Science and Engineering, He’nan Polytechnic University, 454000 Jiaozuo, He’nan,China
axy1208.cool@163.com,bmingjie8@hpu.edu.cn,csiyueming@126.com,dhsx3168@163.com, ecgy54@sina.cn,fgwj900907@163.com
Keywords: oil shale; low temperature carbonization; aluminum retort; carbonization temperature; heating rate; particle size; residence time;
Abstract: Lots of basic analyses carried on YJOS (Yaojie oil shale) and LKOS (Longkou oil shale) consist of proximate analysis, ultimate analysis, XRF analysis and shale oil yield in aluminum retort.
This experiment use Gansu Yaojie oil shale (YJOS) and Shandong Longkou oil shale (LKOS) as raw materials.
Table 5 Retort gas composition gas raw material H2[%*] CO[%] CH4[%] CO2[%] C2H4[%] C2H6[%] N2[%] Others YJOS 22.58 5.5 22.66 7.25 1.39 5.4 26.69 8.53 LKOS 25.82 1.1 18.76 7.41 1.79 4.95 27.57 12.6 *Note: volume percentage.
Journal of Molecular Structure. 2012, 1030: 10-18
This experiment use Gansu Yaojie oil shale (YJOS) and Shandong Longkou oil shale (LKOS) as raw materials.
Table 5 Retort gas composition gas raw material H2[%*] CO[%] CH4[%] CO2[%] C2H4[%] C2H6[%] N2[%] Others YJOS 22.58 5.5 22.66 7.25 1.39 5.4 26.69 8.53 LKOS 25.82 1.1 18.76 7.41 1.79 4.95 27.57 12.6 *Note: volume percentage.
Journal of Molecular Structure. 2012, 1030: 10-18
Online since: February 2012
Authors: Yu De Dong, Ling Lan Wang, Ting Zhao Li, Yi Kui Yang, Cai Yun Liu, Yong Jun Liu
After modeling, assigning material, adding loads and applying restraints, we can use the automatic mesh generation function to generate mesh in the stage of preprocessing.
l Assign material to the part.
The material of the part is cast carbon steel, the properties of which are as follows: the value of elastic modulus is 2 x 105MPa,Poisson's ratio is 0.32, yield strength is 270MPa, tensile strength is 500MP, and mass density is 7.8×106㎏/mm.
The basic measures of modifying the original part are as follows: l To ensure a better machine processing performance, we still kept using the same material of original part.
Liu: Journal of Jiamusi University (Natural Science Edition), Vol. 26 (2008) No.6, P. 782 (In Chinese)
l Assign material to the part.
The material of the part is cast carbon steel, the properties of which are as follows: the value of elastic modulus is 2 x 105MPa,Poisson's ratio is 0.32, yield strength is 270MPa, tensile strength is 500MP, and mass density is 7.8×106㎏/mm.
The basic measures of modifying the original part are as follows: l To ensure a better machine processing performance, we still kept using the same material of original part.
Liu: Journal of Jiamusi University (Natural Science Edition), Vol. 26 (2008) No.6, P. 782 (In Chinese)
Online since: May 2011
Authors: Sai Lan Mao, De Jian Yang
The size of basic components and materials used is shown in Table 1:
Table 1 scantling and material list
Component
Section size
Materials
Modulus (KN/㎡)
Beam
0.3×0.65㎡
C30
30×106
Column
0.60×0.60㎡
Filler walls
External wall
0.25m
MU10
Mb10
4.743×106
Interior wall
0.20m
(2) Defining the shear wall’s setting scheme
The frame filled wall structure’s lateral stiffness is calculated as shown in Table 2:
Table 2 lateral stiffness of frame filled wall structure
Layer
(KN·m)
(KN/m)
(KN/m)
(KN/m)
External wall
Interior wall
External wall
Interior wall
1
124000
1188560
13367806
0
2673561
0
2~8
124000
1188560
13367806
15625577
2673561
3125115
In order to improve the stiffness abrupt change between the first floor and other floors, it can add a certain number of shear walls in the first floor, and calculated the quantity of the shear walls in Table 3.
(in Chinese) [2] Lunbin Xiao: Sichuan Building Science, 2009, 35(5):162-164.
(in Chinese) [6] Gang Li, Hua Lu: journal of Dalian institute of technology, 2009,49(5):639-643.
(in Chinese) [2] Lunbin Xiao: Sichuan Building Science, 2009, 35(5):162-164.
(in Chinese) [6] Gang Li, Hua Lu: journal of Dalian institute of technology, 2009,49(5):639-643.
Online since: July 2020
Authors: Tobias Erlbacher, Anton J. Bauer, Matthias Kocher, Holger Schlichting, Julietta Weisse
A 500 nm thick layer of N-doped poly silicon has been used as a gate contact material.
For this reason it is proposed, that not only interface states influence the electrical characteristics of the channel, but also defects in the bulk SiC material, that act as charge carrier traps and extend the depletion layer.
Kimoto, “Material Science and Device Physics in SiC Technology for High-Voltage Power Devices”, Jpn.
Schroder, “Semiconductor Material and Device Characterization”, Wiley, 2015
Mooney, “Modeling of High-Frequency Capacitance-Voltage Characteristics to Quantify Trap Distributions near SiO2/SiC Interfaces”, Journal of Applied Physics 111, 094509, 2012
For this reason it is proposed, that not only interface states influence the electrical characteristics of the channel, but also defects in the bulk SiC material, that act as charge carrier traps and extend the depletion layer.
Kimoto, “Material Science and Device Physics in SiC Technology for High-Voltage Power Devices”, Jpn.
Schroder, “Semiconductor Material and Device Characterization”, Wiley, 2015
Mooney, “Modeling of High-Frequency Capacitance-Voltage Characteristics to Quantify Trap Distributions near SiO2/SiC Interfaces”, Journal of Applied Physics 111, 094509, 2012
Online since: February 2024
Authors: Vladyslav Mazur
A large amount of hard and strong cementite phase provides the material with high abrasive and hydro-abrasive resistance, high hardness, and medium strength.
Methodology and Materials Base alloys (Table 1) were prepared by the fusion of ARMCO-iron and electrode graphite in a high frequency induction furnace MVP-3M.
Naturally, the search for its genesis is an actual task for the materials science of eutectic alloys.
Scandinavian Journal of Metallurgy, 34, 4, (2005) 245–249.
Methodology and Materials Base alloys (Table 1) were prepared by the fusion of ARMCO-iron and electrode graphite in a high frequency induction furnace MVP-3M.
Naturally, the search for its genesis is an actual task for the materials science of eutectic alloys.
Scandinavian Journal of Metallurgy, 34, 4, (2005) 245–249.