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Sopyan: Materials and Design Vol. 33 (2012), p. 153
Nor: Mechanics of Materials Vol. 41 (2009), p. 553
Ariffin: Journal of Materials Processing Technology Vol. 207 (2008), p. 118
Rahman: Materials and Design Vol. 32 (2011), p. 447
Ghambari: Materials Science and Engineering A Vol. 437 (2006), p.360.

Results and discussion Eight common use materials of walls, and their physical properties are given in Table 1.
Furthermore, compared to lightweight materials, the reduction index values on the curves dips of masonry ones are almost same.
Due to the differences of physical properties of the wall materials which has different critical frequency fc , the curve of each material exhibits a dip valley at different frequencies.
The results show that masonry materials excels in the impact sound insulation performance over the interest frequencies range, that means the masonry materials are beneficial to impact sound insulation.
Journal of Sound and Vibration 273 (2004) 33–49.

In addition, parameters can not screw with the process parameters and material properties to adapt, for example, the starting point compression section is too short or melting occurs too late, etc., will have instantaneous flow of solid-phase plug.
[3] DaXian Cheng; Mechanical Design Handbook; BeiJing; Chemical Industry Press，2004, 1： （7）108-（7）126 [4] HeSheng Liu, ZhiGang Tu, HongHuai Xiong; Journal of Basic Engineering Science, 2004，01:73-79

Torgeir Welo Hydro Aluminium, University of Science & Technology, Norway 15th ESAFORM Conference Minisymposium Organisers Prof.
Andrea Reiss LFT, FAU Erlangen-Nürnberg, Germany Acknowledgements The organisers of ESAFORM 2012 wish to thank the following companies and institutions for their sponsorship and support DynaMore GmbH GOM mbh Hirschvogel Holding GmbH International Journal of Material Forming QuantorForm Ltd.

Study on Pattern Formation of Segment Color Yarn Plain Weft Knitted Fabric SHI Jing Jing, YANG En Longa, CHEN Wei Xiong, XUE Yuan, YI Hong Lei College of Material & Textile Engineering, Jiaxing University, Jiaxing, Zhejiang 314001 aemail: enlong_e_mail@hotmail.com Keywords: Segment color yarn; Weft knitted fabric; Pattern; Computer simulation Abstract.
Acknowledgements This research was supported by Independent Projects of Zhejiang Province Key Innovation Team (2012R10012-04), Textile Science & Technology Key Subject of Jiaxing University program (MTC2011-011).
Xue: Textile Research Journal.

General requirements of construction materials for light pressure cabins are—high specific strength and specific stiffness, good manufacturability and ability to adapt to environments, good economy , adequate supply of materials and so on.
In light metal structural engineering materials, magnesium alloy is the most light.
References [1] TANG Quan-bo, HUANG Shao-dong,WU Tai-bin:Ordance Material Science and Engineering, Vol.30(2) (2007), p69 (In Chinese)
[2] SHI Chang-xu, LI Heng-de, WANG Dian-zuo, etal: Materials Review, Vol.15(4)( 2001), p5(In Chinese)
[13] Practical Handbook of Engineering Materials ( Standard Press of China, Beijing 1989） (In Chinese)

Materials. 13(2):488 (2020) https://doi.org/10.3390/ma13020488 [3] P.K.
Journal of Materials Processing Technology. 242: 549 - 591 (2017) https://doi.org/10.1016/j.jmatprotec.2016.11.020 [7] G.
Materials, 12(19), (2019), 3136. https://doi.org/10.3390/ma12193136 [10] K.
Carlson.: Joining of dissimilar materials.
Sharifitabar, M.Afarani: Gas tungsten arc welding of CP-copper to 304 stainless steel using different filler materials.

Research on the weathering problems of Longmen Grottoes Tao Xu1, a, Wu Xiu Ding2, b 1Henan Polytechnic University, Jiaozuo, Henan 454000, China 2Luoyang Institute of Science and Technology, Luoyang, Henan 471023, China axutao.0420@163.com, bwuxiu-ding@163.com Keywords: Weathering, Damage, Limestone, Longmen Grottoes.
Contrastively, chemical and biological weathering take the material in and out of the fracture and change the chemical composition of rock, the fracture of rock is expanded and the strength of rock is decreased, which is helpful to the development of physical weathering.
For chemical weathering, resisting water is the most important, the main countermeasures are grouting and developing new weathering-resistant materials.
(In Chinese) [4] X.G.Wang and T.Peng: The Chinese Journal of Geological Hazard and Control.
(In Chinese) [7] J.Z.Zhang, L.C.Miao and Z.F.Yang: Chinese Journal of Rock Mechanics and Engineering.

The essential of buffer is to consume landing kinetic energy on the structure deformation of inner stroking material and gear.
At present in the world, general buffer mainly includes compressive stroking material, hydraulic stroking device, mechanical stroking device, magneto rheological damper.
Stroking material.
[3] Dengyun Yu, Jianzhong Yang: Spacecraft mechanics technology, China science technology press (2011)
[5] Jinbao Chen, Hong Yi, Jincai Zhao: Review of the development of soft-landing buffer for lunar explorations, Journal of Astronautics, 29(3) (2008)

Existing tank welding residual stress tests showed that, the welding residual stress of oil tank was close to the material yield strength [6], so appropriate inherent strain should be selected in analysis.
Longitudinal Weld Location 1 1 0.2 0 ------ 2 1 0.4 0 ------ 3 2 0.2/0.6 0 ------ 4 2 0.2/0.4 0 ------ 5 3 0.2/0.4/0.6 0 ------ 6 0 ------ 1 Circumferential Random 7 1 0.4 2 Circumferential Equispaced 8 1 0.4 10 Circumferential Equispaced Analysis Model Eight thin cylindrical shell models were established to estimate the effects of the weld form, circumferential weld number and location, longitudinal weld number to axial buckling stresses, which had the same geometry and material but different weld settings.
The material is Q235.
[3] Z P Chen, C L Yu, M Zeng, et al, in: Journal of Zhejiang University: Engineering Science, (2009), p. 1679, In Chinese
[4] P A Berry, J .M Rotter and R Q Bridge, in: Journal of engineering mechanics, (2000), p. 405