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The materials are cleaned with ISO-Propyl alcohol before brazing.
· KM72 filler materials are comparable with cusil foil
Robert W et al “Joining of Advance Materials” Butterworth-Heinemann,a division of Reed Publiction (USA) Inc. 1993
MatteoGalli et al “Characterization of the Residual Stress and Strength of Ceramic-Metal Braze Joints” Journal of Engineering Material and Technology, 131 (2009) pp. 021004-1
J.Cao et al “Processing, microstructure and menchanical properties of vacuum-brazed Al2O3/Ti6Al4V joints”, Materials Science and Engineeing, A 535 (2012) pp 62-67

It can be seen that element movement is rigid movement, and normal and shear relative displacement reflect deformation (continuum) and interaction (non-continuum) of materials, These equations of above include motion (equations(1)-(2)), constitutive equation (equation(3), or(4)) and geometric equations((5),-(6)) , which constitute basic equations of distinct element method.
Acknowledge This work was supported by the Natural Science Foundation of Chongqing.
(No CSTC, 2012jjA900015, CSTC,2012jjA90008,CSTC,2010cA0005)and Nature Natural Science Foundation (No51276195).
References [1] Liu Da-ren, Hou Xiang-lin, Gao Yue-yang, Numerical Analysis and Imitation of Response on Construction Flaws Damage of Simply Supported Beam, Journal of Shenyang Architectural and Civil Engineering Institute 2006.3, pp188-189
[3] Zhao Xin-an, Numerical Simulation for Fracture Process of Concrete Wedge-Splitting Specimen, Journal of Shijiazhuang Railway Institute. 2003.3, pp12-14.

Physical and mechanical properties of laccase treated bamboo particle boards which made from surplus materials of bamboo flooring process were investigated.
Therefore, the ways to use the surplus materials from the processing of bamboo flooring will decide the raw material utilization ratio and economic benefit.
Fig.1 XRD of three kinds of bamboo particle XRD analysis Wood materials was a natural organic complex which composed by several high polymers.
Z305054), The Innovative Team Foundation of Zhejiang Forestry University (Grant No. 2006B03) and Key laboratory open object of ministry of education about biologic materials science and technology in 2004(04-12).
Journal of Northwest Forestry University, 22 (2): 169-171 [5] Capani F, Aguirre F, et al.

Even though at high temperature, the adhesive shearing strength still stays above 0.6MPa, which is satisfied with the requirement of pavement materials for steel box girder bridge deck.
Master thesis of Changsha University of Science & Technology.(2005)
A New Study on Deck Surfacing Anti-slipping Materials for Steel-Box Girder Bridge[J].
Journal of Buding Material, Vol. 12(2009):276-280
Journal of Chongqing University (Natural Science Edition).

Ibn AL-Haitham Journal For Pure and Applied Science, 28(1)
Ibn Al-Haitham Journal For Pure and Applied Sciences, 35(4)
Iraqi Journal of Science, 57(1), 145-153
Journal of Magnetism and Magnetic Materials, 238(2-3), 207-214
Journal of Magnetism and Magnetic Materials, 428, 136-143.

Factors influencing acousto-ultrasonic approach to impact damage in composite materials Huanping Kong1,a , Zheng Zhang1,b,Lifei Li1,c 1School of Materials Science and Engineering, Beihang University, Beijing 100191, China akhp8706@126.com, bzhangzh@buaa.edu.cn, ctihutihu@163.com Keywords: Acousto-ultrasonic; impact damage; influencing factors; composite Abstract: This paper studied factors influencing AU detection results on different damage specimens, including simulation frequency, transducer modes and transducer location.
The propagation of emitted waves in the materials is affected by the characteristics of microstructure [3].
Combined with resonant frequency of materials, studies [4, 10] have been reported about frequency influence.
International Journal of Mechanical Sciences Vol. 43(2001), p. 1441-1456 [8] M.T.H.
Smart Structure and Materials Vol. 4326(2001), p.179-186 [12]Z.D.

Wrona, Structure and properties of barium ferrite powders prepared by milling and annealing Archives of Materials Science and Engineering,Vol.18 Issue 12 (2007) [2] Philip Shepherd, Kajal K.
Green, Magnetic and structural properties of Mtype barium hexaferrite prepared by co-precipitation, Journal of Magnetism and Magnetic Materials 311 (2007) 683–692
Shih, Bao-Min Ma, Edgar Lara-Curzio, Ronald O.Scattergood, 2003 Mechanical properties of Nylon bonded Nd–Fe–B permanent magnets, Journal of Magnetism and Magnetic Materials 257 (2008) 32–43
Series: Materials Science and Engineering 622 (2019) 012012
Morii, Magnetic and dynamic mechanical properties of barium ferrite–natural rubber composites, Journal of Materials Processing Technology 160 (2005) 229–233 [16] E.Urogiova, I.

Experimental Materials.
Journal of Pulp and Paper Science, 2003, 29(12) ：401
Journal of Paper and Pulp Science, 1996, 22(4): 135-140
Tappi Journal, 2006, 5(1) ：9
Nm-titania Photo-catalytic Materials and Their Application [M].

Experimental Program Materials.
Advances in Materials Science and Engineering, 2014. 2014
Construction and Building Materials, 2016. 102: p. 155-161
Development of high workability grout on semi rigid wearing course. in IOP Conference Series: Materials Science and Engineering. 2019.
Road Materials and Pavement Design, 2018. 21(1): p. 1-17

Materials and Methods Materials In this study, waste metallic plastics used for local food packaging were collected and cleaned to remove any impurities.
Construction and Building Materials, vol. 347 (2022).
Bamaga, Physical and mechanical properties of mortars containing date palm fibers, Journal of Materials Research.
Sanei, Recycling unrecycled plastic and composite wastes as concrete reinforcement, Journal of Composites Science. 7 (1) (2023) 11.
Zidi, The effect of doum palm fibers on the mechanical and thermal properties of gypsum mortar, Journal of Composite Materials.