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Online since: October 2009
Authors: Bin Wang, Wei Wang, Lei Li, Shan Suo Zheng, Jin Chuan He
Based on low-cycle accumulation damage
proposed by Miner, the reduction factor R is
introduced and can be given by
( )
1
1
C
�
i f i
R
�
= −
∑ (2)
where, f� is the number of complete cycles to fatigue, which can be computed through low-cycle
damage model developed by Kunnath et al.[3]; � is the number of half-cycle; C is assumed to be
0.5 to represent the rapid increase in the low-cycle accumulation damage as the number of cycles
increases.
(1) Deformation damage component Dδ The deformation damage is generated by the maximum deformation experienced by members, in order to consider the loading history very well, the deformation damage model developed by Usami and Kumar et al. is adopted inhere [2], it is given by 1 max, 1 c � j y j u y Dδ δ δ δ δ= − = − ∑ (6) where, 1� is the number of half cycles producing max, jδ for the first time; uδ is ultimate deformation under a constant axial load and monotonic lateral load; yδ is yield deformation; c =1 is parametric constant.
K., EL-Bahy, A,.
(1) Deformation damage component Dδ The deformation damage is generated by the maximum deformation experienced by members, in order to consider the loading history very well, the deformation damage model developed by Usami and Kumar et al. is adopted inhere [2], it is given by 1 max, 1 c � j y j u y Dδ δ δ δ δ= − = − ∑ (6) where, 1� is the number of half cycles producing max, jδ for the first time; uδ is ultimate deformation under a constant axial load and monotonic lateral load; yδ is yield deformation; c =1 is parametric constant.
K., EL-Bahy, A,.
Online since: July 2012
Authors: Qing Quan Liu, Shao Hua Shen, Ying Xiang Duan, Qiu Guao Xiao
Lei Zhao et al [6] studied the self-assembly behavior of PS-PLA.
Synthesis of poly vinylbenzyl chloride-polylactide (PVBC-PLA) Ho et al reported the synthesis of polystyrene polylactide [10].
Schrock and E.L.
Synthesis of poly vinylbenzyl chloride-polylactide (PVBC-PLA) Ho et al reported the synthesis of polystyrene polylactide [10].
Schrock and E.L.
Online since: June 2014
Authors: R. Daud, M.S. Abdul Majid, N.A.M. Amin, Azizul Mohamad, Mohd Afendi, M. Hekman
Slaviša Putić et. al investigates the influence of structure, a reinforcement type and a sort of resin exert upon the interlaminar strength of glass fibre reinforced polyester composites.
Wang et. al studied the effects of accelerated ageing on the durability of glass fibre reinforced polyester resin through ILSS, tensile and bending tests [8].
El-baky, Composites: Part B 2012, 43, 1714
Wang et. al studied the effects of accelerated ageing on the durability of glass fibre reinforced polyester resin through ILSS, tensile and bending tests [8].
El-baky, Composites: Part B 2012, 43, 1714
Online since: December 2016
Authors: Suleiman Mohammed Yusuf, Shahrair Ragib, Ferdous Azam, Mohammad Ahsan Habib, Md Anayet Ullah Patwari
Nouari M. et al. [3] provided necessary information about the main factors affecting the hole quality i.e. cutting speed, temperature, feed rate, geometrical parameters as well as the influence of the cutting conditions and the temperature on the tool life in drilling.
Enemuoh et al, [4] studied new comprehensive approach to select cutting parameters for damage-free drilling in carbon fibre reinforced epoxy composite material.
Sherif El-Gizawy, A.Chukwujekwu Okafor “An approach for development of damage-free drilling of carbon fiber reinforced thermosets”, International Journal of Machine Tools & Manufacture 41 (2001) pp.1795–1814
Enemuoh et al, [4] studied new comprehensive approach to select cutting parameters for damage-free drilling in carbon fibre reinforced epoxy composite material.
Sherif El-Gizawy, A.Chukwujekwu Okafor “An approach for development of damage-free drilling of carbon fiber reinforced thermosets”, International Journal of Machine Tools & Manufacture 41 (2001) pp.1795–1814
Online since: May 2020
Authors: A.Yu. Korotchenko, O.A. Zarubina, A.M. Zarubin
El-Sayed, Double Oxide Film Defects and Mechanical Properties in Aluminium Alloys, University of Birmingham, Birmingham, UK, 2012
[3] Ludwig, T.H., et al., Influence of oxide additions on the porosity development and mechanical properties of A356 aluminium alloy castings.
[5] N., Green and J., Campbell, “Influence of oxide film filling defects on the strength of Al-7Si-Mg alloy castings,” AFS Transactions,102 (1994) 341–347
[3] Ludwig, T.H., et al., Influence of oxide additions on the porosity development and mechanical properties of A356 aluminium alloy castings.
[5] N., Green and J., Campbell, “Influence of oxide film filling defects on the strength of Al-7Si-Mg alloy castings,” AFS Transactions,102 (1994) 341–347
Online since: September 2014
Authors: Xu Yang Zhang, Yang Shen, Cheng Li, Hong Jiang, Lin Yu, Wen Qi He, Chang Jiu Li
After cooling and tabletting , we got the glass sample.
2.2 X-ray photoelectron spectroscopy (XPS) measurements
Core level photoelectron spectra were collected on a ThermoFisher Scientific ESCALAB 250 spectrometer using Al Kα radiation (hν = 1486.6 eV) from an anode operated at 130 W with a base pressure of 2×10-9Pa.
Zhongnan University,2011 [2] He Wei,Jiang Hong,Li Changjiu, et al.
El-Batal, I.
Zhongnan University,2011 [2] He Wei,Jiang Hong,Li Changjiu, et al.
El-Batal, I.
Online since: May 2012
Authors: Xiao Bo Peng, Wei Lin Yang, Xiao Jun Peng
After Wenchuan earthquake, Yu haiying at el have tested major strong motion seismographs samples triggered during the quake and confirmed their reliability [8].
(in Chinese) [3] Wang W M, Zhao L F, Li J, et al.
Journal of Seismology, 2010, 14(3): 195~504 [8] Yu H Y, Jiang W X, Xie Q C, et al.
Am., 2003, 93(2):674-693 [11] Li X J, Zhou Z H, Yu H Y et al.
Vib, 2008, 7(3): 235~246 [12] Xu X W, Wen X Z, YE J Q, et al.
(in Chinese) [3] Wang W M, Zhao L F, Li J, et al.
Journal of Seismology, 2010, 14(3): 195~504 [8] Yu H Y, Jiang W X, Xie Q C, et al.
Am., 2003, 93(2):674-693 [11] Li X J, Zhou Z H, Yu H Y et al.
Vib, 2008, 7(3): 235~246 [12] Xu X W, Wen X Z, YE J Q, et al.