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Journal of Applied Polymer Science. 1981. p. 713-732
Journal of Applied Polymer Science, 1999. 74(7): p. 1836-1845
Journal of Applied Polymer Science, 2004. 92(3): p. 1454-1458
Journal of Applied Polymer Science, 2006. 101(1): p. 42-47
Journal of Materials Science, 1992, 27 (18):p. 5031-5039

Abrasion behavior of WC reinforced cast iron surface composite fabricated by cast-infiltration method Cao Guojian*, Guo Erjun, Feng Yicheng, Wang Liping School of materials science and engineering, Harbin University of Science and Technology, Harbin, 150040, China *guojiancao@126.com Keywords: Iron matrix composite, WC, wear and abrasion Abstract.
Das, A Review on the various synthesis routes of TiC reinforced ferrous based composites, Journal of Materials Science. 37 (2002) 3881-3892
Su, et al., Influences of volume content of WC on wear resistance of sprayed coating, Journal of Jiangsu University (Natural Science Edition). 27 (2006) 44-46
Chryanthou, Carbothermic reduction as a potential means for the direct production of Fe-WC and Fe-TaC, NbC metal-matrix composites, Journal of Materials Science. 29 (1994) 4300-4305
Lindroos, Development and Performance of New Hard and Wear-Resistant Engineering Materials, Journal of Materials Engineering and Performance. 6 (1997) 749-756

The flexibility and cool cutting characteristics of the abraslive water jet(AWJ) make it an important tool for cutting applications of new materials such as composites and sandwiched materials that are difficult to machine with traditional machining processes[4].
Normally, the lower the materials intensity, the bigger the brittleness ,the higher speed we will need.
So when cutting composite materials with AWJ, we should use low speed under small pressure.
Deam: Experimental Thermal and Fluid Science,Vol. 30(2006)，pp337-343
Palleda: Journal of Materials Processing Technology, Vo.189(2007), pp292-295.

Journal of functional materials and device, 14(2007), 153-157
Materials Letters, 109(2013), 58-61
Journal of Nanomaterials, 2012(2012), 785920
Journal of Applied Polymer Science, 118(2010), 2553-2561
Journal of Applied Polymer Science, 119(2011), 2112-2123

Electrospun Nanofibre Membranes as Wound Dressing Materials X.
Bhattarai, Journal of Biomedical Materials Research, Part B: Applied Biomaterials,Vol. 67(B) (2) (2003), 675-679. 5.
Kobayashi, Advances in Science and Technology,Vol. 53 (2006), 9-16. 7.
Yoo, Journal of Bioactive and Compatible Polymers,Vol. 22 (5) (2007), 508-524. 10.
Piskin, Journal of Biomedical Materials Research Part B: Applied Biomaterials,Vol.

Synthesis of 7-hydroxy -4- methyl coumarin with Microwave radiation catalyzed by Zirconium sulfate tetrahydrate Shujing Liua, Yunpeng Lib, Xiumin Yangc, Qingmei Jiangd College of science, Agriculture University of Hebei,Baoding,071000,China aliushujing66@126.com, bliyunpeng@163.com, c yangxiumin@163.com,jiangqingmei@126.com Key words:7-hydroxy-4-methyl coumarin; microwave irradiation; Zirconium sulfate tetrahydrate Abstract:The 1,3-benzenediol and ethyl acetoacetate as raw materials were used to synthesize 7-hydroxy-4-methyl coumarin under microwave irradiation with Zirconium sulfate tetrahydrate as the catalyst.
In this paper, the 1,3-benzenediol and ethyl acetoacetate as raw materials Zr(SO4)2·4H2O as catalyst by microwave radiation technology,were used to synthesize 7-hydroxy-4-methyl coumarin.
The reaction principle is as follows: Experimental Section Materials.
Acknowledgements This work was financially supported by the Science and Technology Research and Development Foundation of BaoDing（12ZF023） References
;El-Nawawy MA.; Journal of the Indian Chemical Society, 1998,75(6):377-378 [8]Bear I J, Mumme W G, 1969,B25:1558-1561

Physico-Mechanical Foundations of Theoretical and Engineering Investigation on the Development to Corrosion-Resistant Materials in Buried Structures of Coastal Zones S.V.
Procedia Environmental Sciences 20 (2014)
Elsevier Applied Science, London. 1991
Construction and Building Materials, 165, 833–845 (2018).
Construction and Building Materials, 164, 275–285 (2018).

THE MATERIAL PURCHASE COST IS $US 30 PER TON, THE MATERIAL FUZZY ORDER COST () IS ABOUT $US 1,000, =(800, 900, 1100, 1200) AND THE MATERIAL INVENTORY COST IS $US 5 PER TON.
Chen: Tamkang Journal of Management Sciences Vol. 6(1) (1985), p. 13-26 [4] J.S.
Chen: Tamsui Oxford Journal of Management Sciences Vol. 1 (1985), p. 11-31 [7] C.C.
Chou: Key Engineering Materials Vol. 431-432 (2010), pp. 106-109 [11] C.C.
Prade: Systems Sciences Vol. 9 (1978), p. 613-626 [16] R.J.

Material and Method Material The Bassela rubra linn (Binahong) leaf was purchased from Premium Herb, Madiun city, East Java, Indonesia.
Journal of Applied Polymer Science, Vol. 96, (2005) 557–569
International Journal of Pharmacognosy and Phytochemical Research, Vol. 4 No.3 (2012), 162-167
International Journal of Advanced Science and Technology, Vol.98, (2017), 63-74
Journal of Polymer Science Part B: Polymer Physics 56, no. 3, (2018) 248-254

Fig. 1 Two layered cylindrical electrode consisting of graphite and copper electrodes and conventional graphite materials.
[2] S Kumar1,R Singh, T P Singh, and B L Sethi, “Comparison of material transfer in electrical discharge machining of AISI H13 die steel”, Journal Mechanical Engineering Science, JMES1227 © IMechE 2009, Vol. 223 Part C [3] Han-Ming Chow, Lieh-Dai Yang, Ching-Tien Lin, Yuan-Feng Chen,”The used of SiC powder in water as dielectric for micro-slit EDM machining”, Journal of Materials Processing Technology, 2007
Henriques, “ Electrical discharge machining using simple and powder-mixed dielectric: The effect of the electrode area in the surface roughness and topography”, Journal of Materials Processing Technology, 200, 2008
[5] Xiaohai Li et al., "Research on surface modification Technique by EDM", Advanced Materials Research Vols. 154-155, 2011
[6] Yu-Lung Hwang, Chia-Lung Kuo, Shun-Fa Hwang, ‘The coating of TiC layer on the surface of nickel by electric discharge coating (EDC) with a multi-layer electrode”, Journal of Materials Processing Technology, 210, 2010