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Experimental Investigation of Large Deformation Fracture for Rubber Materials YL KANG1,a , X XIAO 1,b , XL LI 2,c , XH TAN 1,d 1 Tianjin University, Tianjin, China, 2Hebei University of Technology, Tianjin, China a tju_ylkang@yahoo.com.cn, bsunshia@gmail.com, clixlnet@163.com,d tanxiaohua268@163.com Keywords：rubber-like materials, crack tip field, large deformation, sector division mode, digital moiré method of circular and radial gratings Abstract.
With the increasing investigation on reliability and stability of engineering structures, it becomes important for reseach on mechanical properties of materials under fracutre conditions.
Concerning to fracture problems of large deformation materials, deformation characteristics of the crack tip field is necessarily needed.
Rubber-like materials possess the ability to withstand large strain, which makes it ideal for many engineering applications, such as tires, belts, vibration isolators, medical devices, and so on.
Double nonlinearity of geometry and material need to be concerned when discussing fracture problems of rubber-like materials.

The Preparation and Property of Organic Solvent Lignin and PVC Composite Materials Ping Qingwei 1,a, Xiao Jing 2 b and zhao Jian3 1,2,3 Dalian Polytechnic University, Dalian, China, 116034 a pingqw@dlpu.edu.cn, bxiaotonglala@126.com Keywords: lignin, organic solvent lignin, polyvinyl chloride (PVC), composite materials Abstract.
Experimental Instruments and materials.
Lignin content on PVC/lignin composite materials flexural strength.
References [1] Xu yongjian, zhang meiyun.Transactions of China Pulp and Paper,2007,22(2):86～89(In Chinese) [2] W Thielemans,E Can,S S Morye,et a1.Journal of Applied Polymer Science,2002,83(2),323～331 [3] Ma Cunqian ,Xu Jing, Hong Jinxiang and Liu Jiaping.
Journal of Applied Polymer Science，2001,(79):72～79 [5] John J Meister.

This effect can be made use of in various fields of science and technology.
The development of the so-called smart materials, the magnetoactive elastomers, enables a broad use of such materials in various applications.
This research paves the way to creating a fundamentally new class of controllable materials.
Journal of magnetissm and magnetic materials. 449 (2018) 77 -82
Journal of the Siberian Federal University.

Analysis of application of new photochromic materials in design of kindergarten Bo Xu 1, a , weiping Hu 2, b 1 Art of design, Faculity of Art and Communication, Kunming University of Science and Technology 2 Faculity of Art and Communication, Kunming University of Science and Technology axubo_10@sina.com, byncaid@sina.com, Keywords: Materials; design; smart materials; photochromic Abstract: New smart materials have taken the lead position in modern design, photochromic materials with base of polymer gradually step into the range of new decorative materials in design of kindergarten, abundant color is the intuitional demonstration to attract children, however, if the color doesn’t change at all for a long term, children will be bored in both aesthetics and vision, such new photochromic materials bring a new breakthrough for design of kindergarten.
With the rapid development of science and technology, humans have been able to display and utilize colors by various means in which the research and application of smart materials bring the new colorful life for us.
Guangdong building materials. 2007 [3] YongMing Dao, Inorganic photoluminescence materials and application [M].Chemical industry press. 2005 [4] YongMing Dao, Inorganic photoluminescence materials and application Ⅱ[M].
Chemical education. 2009 (4) [6] Ying Wang, Jian li, KaLi Gu,Intelligent color coating [J].China journal of surface engineering, 2007, 20 (3) : 9-14
Materials review, 005，19，(10)：3l一35.

Influence of Limestone Powder on the Performance of Cementitious Materials Yun Dong*1,2,3,a, K.T.Xiao2,3,b and H.Q.Yang 2,3,c 1College of Water Resources and Hydroelectric Engineer, Wuhan University, Wuhan, 430072, China 2Yangtze River Scientific Research Institute, Wuhan, 430010, China 3Research Center on Water Engineering Safety and Disaster Prevention, the Ministry of Water Resources, Wuhan, 430010, China adongyun@mail.crsri.cn, bxiaokt@mail.crsri.cn, cyanghq@mail.crsri.cn Key word: Limestone Powder; Fly Ash; Cementitous Materials; Mechanism of action Abstract: This paper study on the mortar strength, particle gradation and mortar fluidity of binary and ternary systems for cementitious materials with limestone powder or fly ash, analyze the influence of limestone powders with different specific surface areas and contents on the performance of cementitious materials; and research the performance of limestone powder in cementitious materials by means of micro analysis.
This article concentrates on the research of the particle gradation, mortar strength, micro structure and hydration characteristics of binary, ternary systems forcementitous materials with limestone powder or fly ash; and analyzes the mechanism of limestone powder in the cementitous material system.
Test Materials and Method Materials The P·O 42.5 Portland cement accorded with GB 175-2007 and the Grade I fly ash accorded with GB/T 1596-2005 were used.
Refer to Table 1 for materials chemical compositions and Table 2 for limestone and fly ash main performance indices.
Journal of Building Materials, Vol.1 (1988), p. 187-191 (in Chinese) [4] Zhang Chunmei, RAMACHANDRAN V S, Influence of Calcium Carbonate Micro Aggregate on the Hydration of Tricalcium Silicate .Journal of the Chinese Ceramic Society,Vol. 16 (1988), p. 110-117(in Chinese)

Journal of Materials and Structure, 29-43
Journal of Materials and Structure, Volume 23, (134), 81-102
Journal of Archeological Science, VOL 37, 2346-2355
Journal of Materials and Structure, Volume 38, (134)., 771-780
Journal of Construction and Building Materials., 4338-4350

Acknowledgement This work is supported by Natural Science Key Project of Department of Education of Henan Province (13A440151).
Journal of China Coal Society, 2010, 35(3): 357-361
Journal of China Coal Soci-ety, 2010, 35(1): 1-6
Journal of China Coal Society, 2004,33( 2) : 167-169
Journal of Mining & Safety Engineering, 2013, 30(1): 74-79

Effect of grain orientation distribution on anisotropy of idealized granular materials Bo Zhou1, a, Jiwei Li1, b, Peng Shuai1, c 1 School of Civil Engineering and Mechanics, Huazhong University of Science and Technology, Wuhan 430074, Hubei of China azhoubohust@smail.hust.edu.cn, biamliji_007@yahoo.com.cn, cpengshuai90331@sina.com Keywords: granular materials, orientation distribution, anisotropy, Discrete Element Method Abstract.
The regular grain orientation of granular materials is a common phenomenon in nature.
For cohesiveless granular materials, and can be determined by the equations.
Sun, Q., et al., Advances in the micro-macro mechanics of granular soil materials.
Computational Materials Science, 2004. 29: p. 494-498

Due to the great developments in modern science and technology, the application field of porous metal materials has been largely extended, and the demand for materials has also been increased.
With the development of science & technology and the improvement on the demand for industrial technique, membrane materials and its preparing technology has been rapidly advanced.
Catalytic porous materials are special functional materials with active elements distributed in the porous material[4].
This makes powder metallurgical technology one of the most rapidly developed branches in the field of material science and engineering.
The Chinese Journal of Nonferrous Metals 2004，Vol.14 No.2：320-322 [5] L.V.

In order to improve the efficiency of the traditional building materials information management, a construction materials quality detection management system is designed and developed.
The modernization of building materials information management is improved.
This system has been successfully used in certain Building Materials Quality Supervision Station, which proved that the development process is suitable for Building Materials Supervision Station to quickly establish construction materials quality detection management system.
Journal of changchun university, Vol.20(2010) , p. 62-63.
Science of Surveying and Mapping, Vol.34(2009) , p. 222-224.