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Online since: October 1997
Advanced High Temperature Materials (4)
3.
These factors all pointed to the growing use of high-efficiency natural gas-fired electric generating systems, which in the next few years will mostly be advanced gas turbine-based combined cycles; later, advanced fuel cells may begin to play an important role.
This appears to be driven by advanced aerospace systems, including very high speed civilian transport aircraft.
More interest in advanced materials, including non-oxide ceramics, ceramic and metalmatrix composites, and carbon-based composites probably also represented an impetus from the aerospace industry, and searches for materials for the next generation of advanced gas turbines.
Advanced materials will be required, including very large single crystal superalloy first stage blades, with thermal barrier coatings and advanced cooling systems.
These factors all pointed to the growing use of high-efficiency natural gas-fired electric generating systems, which in the next few years will mostly be advanced gas turbine-based combined cycles; later, advanced fuel cells may begin to play an important role.
This appears to be driven by advanced aerospace systems, including very high speed civilian transport aircraft.
More interest in advanced materials, including non-oxide ceramics, ceramic and metalmatrix composites, and carbon-based composites probably also represented an impetus from the aerospace industry, and searches for materials for the next generation of advanced gas turbines.
Advanced materials will be required, including very large single crystal superalloy first stage blades, with thermal barrier coatings and advanced cooling systems.
Online since: March 2009
Authors: Andreas Öchsner, Seyed Mohammad Hossein Hosseini, Christian Augustin, Markus Merkel
Numerical Prediction of the Effective Thermal Conductivity of Perforated
Hollow Sphere Structures
Seyed Mohammad Hossein Hosseini1, a, Markus Merkel2, b, Christian Augustin3, c,
Andreas ¨Ochsner1,4, d
1Department of Applied Mechanics, Technical University of Malaysia, 81310 Skudai, Malaysia
2Department of Mechanical Engineering, University of Applied Sciences Aalen, 73430 Aalen, Germany
3Glatt GmbH,79589 Binzen, Germany
4University Centre for Mass and Thermal Transport in Engineering Materials, School of Engineering,
The University of Newcastle, Callaghan, New South Wales 2308, Australia
aHosseini smh@yahoo.com, bMarkus.Merkel@htw-aalen.de, cChristian.Augustin@glatt.com,
dAndreas.Oechsner@gmail.com
Keywords: Thermal Conductivity, Cellular Material, Porous Structure, Finite Element Method
Abstract.
Fiedler and colleagues reported in [10] recent advances in the prediction of the thermal properties of syntactic metallic hollow sphere structures.
Forum Vol. 553 (2007), p. 39 [9] T.
Forum Vol. 553 (2007), p. 45 [10] T.
Fiedler and colleagues reported in [10] recent advances in the prediction of the thermal properties of syntactic metallic hollow sphere structures.
Forum Vol. 553 (2007), p. 39 [9] T.
Forum Vol. 553 (2007), p. 45 [10] T.
Online since: October 2009
Authors: Tadasu Abumiya, Shuji Hanada, Mok Soon Kim, Naoya Masahashi, Hiroaki Matsumoto, Taek Kyun Jung
From these
results, an advanced stem having high strength at the necked part can be developed for a new
artificial hip joint, keeping low Young's modulus at the distal part implanted in a femur.
Based on the obtained results we propose a fabrication method of the advanced stem as follows.
As a result, the advanced stem with high strength at the necked region and low Young's modulus at the distal region is produced with gradation of mechanical properties between both the edges.
This mechanical properties gradation is applicable to an advanced stem of an artificial hip joint, which has high strength at the necked region and low Young's modulus at the distal region.
Forum Vol. 426-432 (2003) p. 3103
Based on the obtained results we propose a fabrication method of the advanced stem as follows.
As a result, the advanced stem with high strength at the necked region and low Young's modulus at the distal region is produced with gradation of mechanical properties between both the edges.
This mechanical properties gradation is applicable to an advanced stem of an artificial hip joint, which has high strength at the necked region and low Young's modulus at the distal region.
Forum Vol. 426-432 (2003) p. 3103
Online since: February 2019
Authors: Michail Bruyako, L. Grigoryeva
Liu, Novel Self-Healing Techniques for Cement Matrix Microcrack, J. of Advanced Materials Research. 239-242 (2011) 3310-3313
Lu, Study on Self-Healing Concrete with Pre-Embedded Healing Agent, J.of Advanced Materials Research. 250-253 (2011) 405-408
Carlos Santamarina, Biological Considerations in Geotechnical Engineering, J. of Geotechnical and Geoenvironmental Engineering. 131(10) (2005) 1222-1233
J. of Mat. in Civil Engineering. 26(5) (2014) 983 – 991
Science Forum. 871 (2016) 70-75
Lu, Study on Self-Healing Concrete with Pre-Embedded Healing Agent, J.of Advanced Materials Research. 250-253 (2011) 405-408
Carlos Santamarina, Biological Considerations in Geotechnical Engineering, J. of Geotechnical and Geoenvironmental Engineering. 131(10) (2005) 1222-1233
J. of Mat. in Civil Engineering. 26(5) (2014) 983 – 991
Science Forum. 871 (2016) 70-75
Online since: June 2011
Authors: Yan Chen, Wei Cui, Yang Liu, Si Yu Qian, Jia Ye, Hai Feng Yang, Ya Jun Li
Initial there are two objectives: adding the domestic shortage of funds, introducing in advanced technology and management.
In that case, can foreign capital be able to bring advanced technology and improve management level?
It mainly plays an active role in introducing advanced technology and mature management, enhancing enterprise competitiveness; reducing excessive competition within the industry, playing a scale.
The introduction of capital, technology, advanced management ideas, experience, is bound to raise the competitiveness of the industry as a whole, is also active in the market to a certain extent, to the entire industry will also have a demonstration effect.
The open policy is in order to introduce fund, introduce technology, and introduce advanced management experience.
In that case, can foreign capital be able to bring advanced technology and improve management level?
It mainly plays an active role in introducing advanced technology and mature management, enhancing enterprise competitiveness; reducing excessive competition within the industry, playing a scale.
The introduction of capital, technology, advanced management ideas, experience, is bound to raise the competitiveness of the industry as a whole, is also active in the market to a certain extent, to the entire industry will also have a demonstration effect.
The open policy is in order to introduce fund, introduce technology, and introduce advanced management experience.
Online since: November 2013
Authors: Shan Ben Chen, Zhen Ye, Gu Fang
Fang2,c
1 Intelligentized Robotic Welding Technology Laboratory, School of Materials Science and Engineering, Shanghai Jiao Tong University, P.
It is a hot topic in advanced welding manufacturing technologies to simulate and realize a welder’s actions by intelligent machines [2-5].
Materials Science Forum, 2007, 539-543 [19] S.B.
Chen, ‘On intelligentized technologies for modern welding manufacturing,’ Chinese Journal of Mechanical Engineering’, Chinese J. of Mech.
Chen, ‘The concept and technologies on intelligentized welding manufacturing engineering’, Trans. of China Welding Inst., 2004, 25, 124-128
It is a hot topic in advanced welding manufacturing technologies to simulate and realize a welder’s actions by intelligent machines [2-5].
Materials Science Forum, 2007, 539-543 [19] S.B.
Chen, ‘On intelligentized technologies for modern welding manufacturing,’ Chinese Journal of Mechanical Engineering’, Chinese J. of Mech.
Chen, ‘The concept and technologies on intelligentized welding manufacturing engineering’, Trans. of China Welding Inst., 2004, 25, 124-128
Online since: September 2020
Authors: Mohd Fadzil Ain, Zainal Arifin Ahmad, Julie Juliewatty Mohamed, Mohd Fariz Ab Rahman, Siti Roshayu binti Hassan
Microstructural and Dielectric Responses of Calcium Copper Titanate Added Soda-Lime Glass for High Frequency Devices
Mohd Fariz AB RAHMAN1,3,a, Mohd Fadzil AIN2 b,
Julie Juliewatty MOHAMED1,c, Siti Roshayu HASSAN1,d*
and Zainal Arifin AHMAD3,e*
1Faculty of Bioengineering and Technology, Universiti Malaysia Kelantan Jeli Campus, Locked Bag No. 100, 17600 Jeli, Kelantan, Malaysia
2School of Electrical and Electronic Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia
3Structural Materials Niche Area, School of Materials and Mineral Resources Engineering, Universiti Sains Malaysia, Engineering Campus, 14300 Nibong Tebal, Penang, Malaysia
amohdfarizabrahman@yahoo.com, beemfadzil@usm.my, cjuliewatty.m@umk.edu.my, d*roshayu.h@umk.edu.my, e*srzainal@usm.my
Keywords: Calcium copper titanate; Soda-lime glass; Microstructure; Dielectric responses
Abstract: The microstructures and dielectric responses of calcium copper titanate (CCTO) ceramics
Scanning Electron Microscopy (SEM) (model: TM 3000) was used to observe the morphology of the samples while the phase formation of the pure sintered CCTO and CCTO-soda lime glass composites were analyzed by using X-ray Diffraction (XRD) (model: Bruker Advance D8).
Forum. 888 (2017) 23-27
Forum 840 (2016) 52-56
Scanning Electron Microscopy (SEM) (model: TM 3000) was used to observe the morphology of the samples while the phase formation of the pure sintered CCTO and CCTO-soda lime glass composites were analyzed by using X-ray Diffraction (XRD) (model: Bruker Advance D8).
Forum. 888 (2017) 23-27
Forum 840 (2016) 52-56
Online since: March 2011
Authors: Michael F. Zaeh, Alexander Schober, Loucas Papadakis, George Demosthenous
Typical manufacturing process chain of sheet metal automotive structures
Several works dealing with simulation chains already exist in the field of production technologies and structural engineering.
It should be noted that the spring-back computation can be performed with the aid of advanced material models, as well as with an elastic isotropic calculation.
Schikorra, in: Flexible Manufacture of Lightweight Frame Structures, Phase II: Integration, Advanced Materials Research, Vol. 43 (2008)
Makkink: Advance Materials Research, Vols. 6-8 (2005), pp. 195-202
Langhorst: Production Engineering, Vol. 2/4 (2008), pp. 385-393
It should be noted that the spring-back computation can be performed with the aid of advanced material models, as well as with an elastic isotropic calculation.
Schikorra, in: Flexible Manufacture of Lightweight Frame Structures, Phase II: Integration, Advanced Materials Research, Vol. 43 (2008)
Makkink: Advance Materials Research, Vols. 6-8 (2005), pp. 195-202
Langhorst: Production Engineering, Vol. 2/4 (2008), pp. 385-393
Online since: May 2009
Authors: Li Zhi Gu, Z. Zhang
Mechanical Engineering Science, No. 2, (1960), p.81-83
Luo: Package Engineering, No. 4. (1999), p.30-32
Shi: Chinese Journal of Mechincal Engineering, Vol.19, No.3, (2006), p.428-433 [10] R.
Guangrong: Computer Engineering, 2006,32(16):1-3,8 [12] W.
Zhao et al.: Transactions of The Chinese Society of Agricultural Engineering, Forum Vol. 21 (2005), p.83-85
Luo: Package Engineering, No. 4. (1999), p.30-32
Shi: Chinese Journal of Mechincal Engineering, Vol.19, No.3, (2006), p.428-433 [10] R.
Guangrong: Computer Engineering, 2006,32(16):1-3,8 [12] W.
Zhao et al.: Transactions of The Chinese Society of Agricultural Engineering, Forum Vol. 21 (2005), p.83-85
Online since: November 2023
Authors: Artem Arlazarov, Nora Kabou, Pierre Targy, Marc Olivier Thénot, Jean Marc Pipard
Towards High Strength-Ductility Balance Using Double Annealing Cycles
Artem Arlazarov1,a*, Jean-Marc Pipard1,b, Nora Kabou1,c, Pierre Targy1,d, Marc-Olivier Thénot1,e
1ArcelorMittal Global Research and Development, Maizières-lès-Metz, 57283, France
aartem.arlazarov@arcelormittal.com; bjean-marc.pipard@arcelormittal.com; cnora.kabou@arcelormittal.com; dpierre.targy@arcelormittal.com;
emarc-olivier.thenot@arcelormittal.com
Keywords: Advanced High Strength Steels, Double Annealing, Mechanical Properties, Transformation induced plasticity (TRIP), Retained Austenite.
Introduction Nowadays, steelmakers are intensively studying the ways how to produce third generation Advanced High Strength Steels (3G AHSS). 3G AHSS refers to steels with various innovative microstructures, which are developed to propose a breakthrough offer in the steel market.
Such developments require not only challenging alloying compositions with complicated microstructure designs, but also implementation of advanced annealing processes.
Engineering stress-elongation (a) and work hardening rate-true strain (b) curves of samples after complete simple and double annealing with Ts=830°C / 850°C and Tq=290°C.
Forum, 941, 2018, 100-105
Introduction Nowadays, steelmakers are intensively studying the ways how to produce third generation Advanced High Strength Steels (3G AHSS). 3G AHSS refers to steels with various innovative microstructures, which are developed to propose a breakthrough offer in the steel market.
Such developments require not only challenging alloying compositions with complicated microstructure designs, but also implementation of advanced annealing processes.
Engineering stress-elongation (a) and work hardening rate-true strain (b) curves of samples after complete simple and double annealing with Ts=830°C / 850°C and Tq=290°C.
Forum, 941, 2018, 100-105