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Online since: October 2013
Authors: Peng Nan Li, Si Wen Tang, Shun Xing Wu, Xin Yi Qiu, Zhi Hui Yan
Merchant’s equation: (5) The universal application of the Johnson-Cook thermal-viscoplastic constitutive equations was employed to describe the properties of the materials in this study.
A, B, C, n and m are material constants.
Outer diameter 98mm workpiece materials of AISI 1045 steel (195HB) were selected for present experiment.
Beijing: Science Press,2010, p.3-10
[2] SHATLAM, KERKC, ALTANT: International Journal of Machine Tool sand manufacture. vol.41(2001), p.1511-1534
Online since: October 2019
Authors: Ileana Nicoleta Popescu, Claudiu Nicolicescu, Alexis Daniel Negrea, Carmen Otilia Rusǎnescu, Mihǎiţǎ Nicolae Ardeleanu
Materials and Experimental Procedure Selection of material. 100Cr6 is used for high precision bearings.
The experiment was run in the Simulation module in the Motion mode and the bearing loads were obtained for the two materials..
Experimental Results and Discussion Characterization of steel materials for bearings.
Journal of Mechanical Design, 130(8) (2008) 082601
In IOP Conference Series: Materials Science and Engineering 444 (6) (2018, November). 062019.
Online since: October 2010
Authors: Emad A. Badawi, M.A. Abdel-Rahman, M. Abdel-Rahman, Alaa El-Deen A. El-Nahhas
It must be noted that the age-hardening process can be applied only to materials which exhibit a decreasing solubility with decreasing temperature. 1.2 Al 6xxx Alloys precipitation Aluminum alloys have been the material of choice for aircraft construction since the 1930s.
Troeger, L.P. and Starke, E.A., “Microstructural and Mechanical Characterization of a Superplastic 6xxx Aluminum Alloy”, Materials Science and Engineering, A277, 102-113, 2000 2.
Hirth, S.M., Marshall, G.J., Court, S.A. and Lloyd, D.J., “Effects of Si on the Aging Behaviour and Formability of Aluminum Alloys Based on AA6016”, Materials Science and Engineering, A319- 321, 452-456, 2001 3.
Zehn, L., Kang, S.B. and Kim, H.W., “Effect of Natural Aging and Preaging on Subsequent Precipitation Process of an Al-Mg-Si Alloy with High Excess Silicon”, Materials Science and Technology, 13, 905, 1997 5.
Journal of materials processing technology 135 (2003) 83-90 18.
Online since: September 2008
Authors: Haruhiko Kawasaki
Application systems Future science encyclopedia.
An important step in a breast modeling sequence involves the incorporation into a model of large deformation effects and the consideration of nonlinear material properties.
Software architecture strain relationship of the material by an interpolation function.
Journal of the National Cancer Institute, Vol. 92, No.18, pp.1490-9 (2000)
Mouri: Haptic Breast Palpation Using FiveFingers Haptic Interface HIRO-II, The Japanese Journal for medical Virtual reality, Vol. 4,No.1,pp.5-11 (2006).
Online since: June 2013
Authors: Ming Hong Yuan, Qin Cai, Shui Guang Tong
By considering the rationality and security of design and manufacture, both the static and dynamic performances of the optimized case is greatly improved, with a 16.36% reduction in maximum stress, a 13.86% reduction in maximum displacement, and successfully saving material 5.87%.
Table 1 The material properties of the circular saw Name Density(ρ/Kg·m-3) Poisson ratio(µ) Elastic modulus(E/*105Mpa) HT250 7150 0.26 1.40 Fig. 3 The radial force distribution Fig. 4 FEM modal for the gearbox case Results of the modal calculation.
Known by the results of the modal analysis and the mass-element density cloud image, the gearbox case overall stress is homogeneous distribution, strain is very little, the main structure load is spot at the both sides of the case(red part); and most of the remaining material strength is not fully used(blue part).
Tian: Journal of Engineering for Thermal Energy and Power, 2003.18:547-551
Ming: Journal of Jiangsu University of Science and Technology,2006,20:65~68
Online since: March 2009
Authors: Mauricio Torres, Jorge Luis Gonzalez, Hilario Hernandez
[2] Kashtalyan and Soutis: Failure analysis of FRP laminates by means of physically based phenomenological models, Journal Composites Science & Technology, (2002)
[4] Whitney and Nuismer: Stress fracture criteria for laminates composites containing stress concentrations, Journal of Composites Materials, (1974)
[6] Pipes and Wetherhold: Notched strength of composites materials, Journal of Composite Materials, EUA (1979)
[8] Eriksson and Arronson: Strength of tensile loaded graphite/epoxy laminates containing cracks, open and filled holes, Journal of Composites Materials, (1990)
[10] Ahmed & Naidu: Elastic Properties, notch strength and fracture criterion in fabric reinforced composites, Journal Materials & Design, (2006)
Online since: February 2012
Authors: Ye Qiang Lu, Yi Long Zhang
Thus, the pure bending deformation equation of beams can be directly used in mechanics of materials.
QSn4-3 has good processing properties and electrical conductivity, easy melting and low cost [7], so it’s the main materials of mechanical instruments and hairspring measurement.
Characteristics of the materials used to manufacture hairspring are given in Table.1.
Characteristics of the materials Material name and Grade Elastic modulus(E) N/mm2 Resistivity(P) Ωmm QSn4-3 QSn6.5-0.1 QBe2 105×103 115×103 135×103 0.087 0.18~0.14 0.065 According to the structure condition, we preliminarily determine the length of the hairspring.
(In Chinese) [4] Yu Bai: Journal of Qingdao University of Science and Technology, Vol.28.No.4. (2007), p. 325-328.
Online since: November 2015
Authors: Y.J. Nithiya Sandhiya, K.S. Vijay Sekar, M.M. Thamizharasan
Abstract This paper provides an inclusive review of literature, mostly from the past decade, on optimization techniques of composite materials machining, both conventional and non-conventional process.
Composite materials are continually replacing conventional materials due to their excellent corrosion resistance, higher strength to weight ratio, but the machining of composites is a challenging process.
Recently the use of composites has drastically increased because of their adaptability to different situations, the relative ease of combination with other materials, high strength to weight ratio and high stiffness to weight ratio such as the use of composite materials in racing and luxury cars are due to the need of reduced weight and also used in fin leading edge and other glass fiber fairing panels.
[5] Gaurav Chaudharya, Manoj Kumar, Santosh Verma, Anupam Srivastav, Optimization of drilling parameters of hybrid metal matrixcomposites using response surface methodology, Procedia Materials Science 6 (2014) 229-237
Ranganathan, Modelling and Analysis of Process Parameters on Turning of Aluminium Hybrid Composites, Australian Journal of Basic and Applied Sciences, 7(9): 341-353, 2013 ISSN 1991-8178 [8] V.K.
Online since: July 2011
Authors: Xian Jun Li, Zhi Yong Cai, Yuan Liu, Yi Qiang Wu, Qun Ying Mou, Jian Xiong Lv
The material inside the resin canal is then a mixture of free water, resin, and water steam.
Forest Products Journal Vol.15 (1965), p. 215-218
Forest Products Journal Vol.23 (1973), p.42-46
Wood Science and Technology, Vol.38 (2004), p.507-519
Journal of Wood Science Vol.53 (2007), p.1-4
Online since: April 2012
Authors: Philippe Garcia, B. Pasquet, Alexandre Maître, Fabienne Audubert, S. Noyau, I. Roure
Matzke: Journal of Nuclear Materials Vol. 114 (1983), p. 121 [4] A.C.S.
Millot: Journal of Nuclear Materials Vol. 278 (2000), p. 364 [6] T.L.
Turos: Journal of Nuclear Materials Vol. 114 (1983), p. 349 [8] H.
Lambert: Journal of Nuclear Materials Vol. 49 (1974), p. 325 [9] H.
Lambert: Journal of Nuclear Materials Vol. 64 (1977), p. 211