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Online since: May 2011
Authors: Bo Liu, Li Qiang Tang, Xiu Hong Wang
The research of crack-tip field in damage materials is a very complex problem.
Bui and Ehrlachar present a simple damage model to study the fracture problem of elastic and elastic-plastic materials.
These works provide theoretical foundation to establish failure criterion for materials.
For the non-damage materials,则要求, they are requested, λ and μ are 为材料(无损伤时)的 Lame 系the Lamé coefficients of materials (no damage).
[4] Sun Q H, Cai Y H, Tang L Q: Journal of Harbin Engineering University, Vol.24 (2) (2003), p.192-197.
Bui and Ehrlachar present a simple damage model to study the fracture problem of elastic and elastic-plastic materials.
These works provide theoretical foundation to establish failure criterion for materials.
For the non-damage materials,则要求, they are requested, λ and μ are 为材料(无损伤时)的 Lame 系the Lamé coefficients of materials (no damage).
[4] Sun Q H, Cai Y H, Tang L Q: Journal of Harbin Engineering University, Vol.24 (2) (2003), p.192-197.
Online since: April 2009
Authors: Paul Koltun, Trevor Kearney, Stefan Gulizia, Darryl Jones, Mahnaz Z. Jahedi
Thermal Fatigue Studies Using HF Induction Heating of Die Materials
for Light Metals Casting
S.
Koltun 1,3 1 CAST CRC, UDP No 055, the University of Queensland, Brisbane QLD 4072 Australia 2 CSIRO Materials Science & Engineering, Normanby Road, Clayton, Vic, 3169, Australia 3 CSIRO Sustainable Ecosystems Normanby Road, Clayton, Vic, 3169, Australia a stefan.gulizia@csiro.au Keywords: thermal fatigue, tool materials Abstract In this study a new thermal fatigue test rig has been developed that can apply a net energy input to materials with different physical properties using HF induction heating.
The results show materials with high thermal conductivity such as tungstenbased materials are more resistant to thermal fatigue cracking than conventionally used hot work tool steels for HPDC dies.
The results show die materials with high thermal conductivities containing tungsten are more resistant to thermal fatigue cracking than commonly used ferrous die materials in HPDC conditions.
References [1] Klobear, D., Tusek, J. and Taljat, B. (2008) Thermal fatigue of materials for die casting tooling, Materials Science and Engineering A 472 (2008) 198-207 [2] Sjostrom, J. and Bergstron, J. (2004) Thermal fatigue testing of chromium martensite hot-work tool steel after austenitizing treatments, Journal of Materials Processing Technology 153-154 (2004) 1089-1096 [3] Persson, A., Hogmark, S. and Bergstrom, J. (2004) Simulation and evaluation of thermal fatigue cracking of hot work tool steels, International Journal of Fatigue 26 (2004) 1095-1107 [4] Gulizia, S., Jahedi, M.
Koltun 1,3 1 CAST CRC, UDP No 055, the University of Queensland, Brisbane QLD 4072 Australia 2 CSIRO Materials Science & Engineering, Normanby Road, Clayton, Vic, 3169, Australia 3 CSIRO Sustainable Ecosystems Normanby Road, Clayton, Vic, 3169, Australia a stefan.gulizia@csiro.au Keywords: thermal fatigue, tool materials Abstract In this study a new thermal fatigue test rig has been developed that can apply a net energy input to materials with different physical properties using HF induction heating.
The results show materials with high thermal conductivity such as tungstenbased materials are more resistant to thermal fatigue cracking than conventionally used hot work tool steels for HPDC dies.
The results show die materials with high thermal conductivities containing tungsten are more resistant to thermal fatigue cracking than commonly used ferrous die materials in HPDC conditions.
References [1] Klobear, D., Tusek, J. and Taljat, B. (2008) Thermal fatigue of materials for die casting tooling, Materials Science and Engineering A 472 (2008) 198-207 [2] Sjostrom, J. and Bergstron, J. (2004) Thermal fatigue testing of chromium martensite hot-work tool steel after austenitizing treatments, Journal of Materials Processing Technology 153-154 (2004) 1089-1096 [3] Persson, A., Hogmark, S. and Bergstrom, J. (2004) Simulation and evaluation of thermal fatigue cracking of hot work tool steels, International Journal of Fatigue 26 (2004) 1095-1107 [4] Gulizia, S., Jahedi, M.
Online since: July 2015
Authors: Beate Langer, Marcus Schoßig, Thomas Illing, Wolfgang Grellmann
References
[1] DIN 50035 (2012-09): Terms and Definitions used on Ageing of Materials – Polymeric Materials
International Journal of Fatigue, 29 (2007) 199–208
Journal of Reinforced Plastics and Composites, 3 (1984) 98–119
Composites Science and Technology, 68 (2008) 2574–2581
Eds.), Deformation and Fracture Behaviour of Polymer Materials.
International Journal of Fatigue, 29 (2007) 199–208
Journal of Reinforced Plastics and Composites, 3 (1984) 98–119
Composites Science and Technology, 68 (2008) 2574–2581
Eds.), Deformation and Fracture Behaviour of Polymer Materials.
Online since: July 2015
Authors: Jin Ping Yang, Heng Yong Wei, Jing Wang
Preparation of TZP/glass composites as dental ceramic materials
Jinping Yang1,2,a, Jing Wang1,2,b, Hengyong Wei1,2,c
1Collelge of Materials Science and Engineering, Hebei United University, Tangshan 063009, China
2Key Laboratory of Inorganic material of Hebei Province, Tangshan 063009, China
aimjp_yang@163.com, bwangj2004@heuu.edu.cn, cwhy_why2000@163.com
Keywords: Nano zirconia, Dental ceramic materials, Mechanical performance, Glass frits
Abrstract.
Introduction In recent years, Y-TZP( tetragonal zirconia stabilized by yttrium) ceramic materials have attracted extensive attention in oral medicine as novel dental restoration materials.
Meanwhile the interspaces inside the materials are filled up with glassy phases.
Conclusions Glass phases are introduced in ceramic materials by adding in small amount of frit powders.
Zhang, et al, Research on the sintering processing of the yttria stabilized zirconia nano powders, Journal of Materials Engineering. 2(2009) 38-42
Introduction In recent years, Y-TZP( tetragonal zirconia stabilized by yttrium) ceramic materials have attracted extensive attention in oral medicine as novel dental restoration materials.
Meanwhile the interspaces inside the materials are filled up with glassy phases.
Conclusions Glass phases are introduced in ceramic materials by adding in small amount of frit powders.
Zhang, et al, Research on the sintering processing of the yttria stabilized zirconia nano powders, Journal of Materials Engineering. 2(2009) 38-42
Online since: December 2012
Edited by: Akii Okonigbon Akaehomen Ibhadode
This periodical edition includes peer-reviewed papers based on results of scientific research and engineering solutions in different areas of modern engineering science.
Keywords:
Materials Science, Materials, Mechanics, Civil Engineering, Electrical Engineering, Cumputer Science, Environmental Engineering
Keywords:
Materials Science, Materials, Mechanics, Civil Engineering, Electrical Engineering, Cumputer Science, Environmental Engineering
Online since: June 2011
Authors: Jian Xiu Su, Xin Ning, Jia Xi Du, Xi Qu Chen, Ren Ke Kang
Experiment on Non-Uniformity of Material Removal on
Wafer surface in Wafer CMP
Jianxiu Su1,a, Jiaxi Du1,b, Xiqu Chen1,c , Xin Ning1 and Renke Kang2
1 Henan Institute of Science and Technology, Xinxiang 453003, China
2Key Laboratory for Precision and Non-traditional Machining of Ministry of Education, Dalian University of Technology, Dalian 116024, China
ajxsu2008@people.com.cn, bdujx@163.com, cchxq@126.com
Keywords: Chemical mechanical polishing, Material Removal, Non-uniformity.
This result could reveal the material removal mechanism of wafer CMP from the aspect of the non-uniformity of material removal.
Acknowledgements The authors acknowledge the Supported by the Key Project of Science and Technology R & D Program of Henan Province (102102210405), the Research Project program of Natural science of the Education Department of Henan Province (2009A460004) , and Funded by Science and Technology Innovation Program of Henan Institute of Science and Technology.
Hocheng and et al.: International Journal of Machine Tools & Manufacture Vol.40 (11) (2000), pp.1651-1669 [4] P.L.
Tso and et al.: Journal of Materials Processing Technology Vol.116(2-3) (2001), pp.194-200 [5] J.F.
This result could reveal the material removal mechanism of wafer CMP from the aspect of the non-uniformity of material removal.
Acknowledgements The authors acknowledge the Supported by the Key Project of Science and Technology R & D Program of Henan Province (102102210405), the Research Project program of Natural science of the Education Department of Henan Province (2009A460004) , and Funded by Science and Technology Innovation Program of Henan Institute of Science and Technology.
Hocheng and et al.: International Journal of Machine Tools & Manufacture Vol.40 (11) (2000), pp.1651-1669 [4] P.L.
Tso and et al.: Journal of Materials Processing Technology Vol.116(2-3) (2001), pp.194-200 [5] J.F.
Online since: February 2019
Authors: M.Y. Elistratkin, Valery Lesovik, E.S. Glagolev, V.V. Voronov, M.V. Absimetov
Construction sector development which is impossible without creation of knowledge- and science-intensive materials and technologies oriented to a wide range of practice is an important tool for achieving the goal.
Their distinctive feature is the focus on the primary use of local raw materials, flexibility in production and use organization, high science-intensive and modernization potential.
Saidumov, High-performance SCC-concrete at earthquake resistant construction, International Journal of Environmental and Science Education. 11.18 (2016) 12779-12786
Shapovalov, Features of application of high-mg technogenic raw materials as a component of composite binders, Research Journal of Applied Sciences. 9.11 (2014) 779-783
Karakurt, Properties of the autoclaved aerated concrete produced from coal bottom ash, Journal of materials processing technology. 209.2 (2009) 767-773
Their distinctive feature is the focus on the primary use of local raw materials, flexibility in production and use organization, high science-intensive and modernization potential.
Saidumov, High-performance SCC-concrete at earthquake resistant construction, International Journal of Environmental and Science Education. 11.18 (2016) 12779-12786
Shapovalov, Features of application of high-mg technogenic raw materials as a component of composite binders, Research Journal of Applied Sciences. 9.11 (2014) 779-783
Karakurt, Properties of the autoclaved aerated concrete produced from coal bottom ash, Journal of materials processing technology. 209.2 (2009) 767-773
Online since: December 2014
Authors: Shi Gang Chao
Decision matrix for insulting materials
No.
Materials & Design, Vol. 37 (2012), p. 317-324
Materials & Design, Vol. 47 (2013), p. 643-652
China Safety Science Journal, Vol. 20 (2010), p. 124-129
Journal of Hunan University (Social Sciences), Vol. 22 (2008), p. 68-72
Materials & Design, Vol. 37 (2012), p. 317-324
Materials & Design, Vol. 47 (2013), p. 643-652
China Safety Science Journal, Vol. 20 (2010), p. 124-129
Journal of Hunan University (Social Sciences), Vol. 22 (2008), p. 68-72