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In order to improve the machining efficiency of broach ,machining precision ,tool stability and durability, it should improve the structure of broach, select new materials of tool and new surface treatment craft.
Through the application of CAD technology, optimize design and craft, make material utilization, processing route of craft is reasonable, reduce production cost, improve product quality, economize materials.
Original templates: module,number of teeth,pressure angle ,Diameter of reference circle , major diameter of internal spline , minordiameter of internal spline .spacewidth of graduated circle (6H), aperture after broaching ,Length of broaching ,material 45#, broaching machine L6120, maximumpull 2000N, maximum stroke 1600 mm.
[4] Fang, N., Jawahir, I.S. and Oxley, P.L.B. 2001, A universal slip-line model with non-unique solutions for machining with curled chip formation and a restricted contact tool, International Journal of Mechanical Sciences, 43: 557-580

Composite sandwich structure usually consists of panels, the panel and core material of the adhesive layers, core materials.
The core materials can be cellular, light wood and rigid foam.
Panels are usually glass cloth, plywood, fiberboard, aluminum alloy plate and steel plate considering the material stiffness and strength [1, 5-7].
References [1] Zenkert D, Bull P, Shipsha A, Hayman B.: Composites Science and Technology Vol. 65 (2005),p.2597
:Chinese Journal of Mechanical Engineering Vol.35(1999), p.65 [9] Tamas Varady, Ralph Martin, Jordan Cox.

Study of Rust Layer of TRIP Steels in Marine Environments LI Zhuang1,a*, Lv Wei 2,b 1School of Materials Science and Engineering, Shenyang Aerospace University, Shenyang 110136, Liaoning, China 2Land and resources department, Shenyang Aerospace University, Shenyang 110136, Liaoning, China aLizhuang20047@163.com, blw4488@sina.com Keywords: TRIP steels; salt spray tests; corrosion; rust layer; alloying elements Abstract: The rust layer plays an important role in the corrosion of TRIP steels in marine environments.
Materials Characterization, 127 (2017) 104-110
Journal of The Electrochemical Society 162 (9) (2015) 495-502
Materials 10(406)(2017) 1-67

An Innovative Approach of Drilling Process Monitoring for Slope Characterization in Mountainous Regions Chen Jian1,a , Yue Zhongqi2,b and Liu Sijing3,c 1Beijing Research Centre for Engineering Structures and New Materials, Beijing University of Civil Engineering and Architecture, China 2Department of Civil Engineering, the University of Hong Kong, Hong Kong, China 3Department of Technology, China Harbour Engineering Company Ltd, Beijing, China a jchen@chec.bj.cn, b yueqzq@hkucc.hku.hk, c sjliu@chec.bj.cn Keywords: DPM, Slope characterization, Mountainous region Abstract.
This cannot indicate joint aperture or soft infilling materials which are areas of primary interest in ground investigations.
Acknowledgements The work reported in this paper is funded by Open Research Fund Program of Beijing Higher Institution Engineering Research Center of Structural Engineering and New Materials, Beijing University of Civil Engineering and Architecture).
Automatic monitoring of rotary-percussive drilling for ground characterization – illustrated by a case example in Hong Kong, International Journal of Rock Mechanics & Mining Science, Vol.41, 573-612

In the shaving process, removing material from work gear surface causes hardening on work gear surface.
It is due to unwanted friction and material flow by the action of top land of serration.
In other word, most of material can be removed in first few cutting cycles.
It means that most of material will be removed after first and second cutting cycle.
Fong, Serration Design for a Gear Plunge Shaving Cutter, Journal of Manufacturing Science and Engineering, Vol. 133, 2011, pp.021004-1-021004-11

The Design Photovoltaic System The photovoltaic system is usually a synthesis combining light, mechanics, electricity, computer science and materials.
At this stage, the researchers propose the background materials of a particular area for managers to develop long-term planning.
These materials include an extensive report of survey of the entire area, the development status and technology tracking in this field, forecast of trends and requirement of society.
Systems Journal,6(2): 213-219(2012) [7] Rodriguez, C.

This organic carbonized material serves as food for plants, crops and carps, without the risk of biological contamination, since the electrophoresis eliminated the bacteria.
Afterwards, it was redirected for the septic pit, using activated sludge with anaerobic bacteria to deal with organic material.
The use of industrial NaCl is very common on the region, which would avoid the importation of raw materials.
Beagles, Electrocoagulation (EC)- Science and Applications, Greenpages, USA, [Online].
[4] NOM-127-SSA1-1994, Environment Health, Water for Using and Human Consumption, Quality Allowed Limits and Consumption Water Treatment, Official Journal of Government, Mexico, January 18, (1996)

Materials and Methods In the present study, we used bentonite sodic clays of national origin, Industrializas Bentongel, manufacturer Bentonisa, and Brasgel PA manufacturer Bentonit União Nordeste, both being from the city of Boa Vista-PB.
The surfactants used in the organophilic synthesis process were ionic surfactant Praepagem ® WB (distearyl dimethyl ammonium chloride), with 75% of the active material derived from the company CLARIANT located in Sao Paulo, SP.
This classification proves what was predicted by Fagundes (2009), when he stated that for geological materials the class L and C are often used.
Similar to the results obtained for the Bentongel clay, as expected because it is a geological material, Brasgel clay isotherms are classified as type L and C.
[8] GILES, C.H.; SMITH, D.Y.; HUITSON, Theoretical Journal of Colloid and Interface Science, 47(3):755-765, 1974

The synthesis of semiconductor devises of the last generation is somehow based on the application of high-alloy materials and corresponding technologies [1].
The latter fact makes it possible to significantly diminish the considered inhomogeneities of the barrier in the contact when using semiconductor materials with dielectric permeability .
Acknowledgements This work was performed under the government order of the Ministry of Education and Science of RF project # 11.5861.2017.
Electronic processes in non-crystalline materials.
Journal of Surface Investigation, 4(5), 859-861 (2010). doi:10.1134/S1027451010050290 [19] M.V.

However, the very low surface energy of PTFE usually prevents a reliable and stable homogenization of both materials in the dispersion as well as in the final film.
Materials PAI Torlon 4000 T (Solvay), PTFE TF 2025 (Dyneon/3M), NMP EMPLURA® (Merck), Aerosil® R 972 (Evonik), Xylane© 1070 (Whitford) Methods Transmission light microscopy.
Scheler, Modification of perfluorinated polymers by high-energy irradiation, Journal of Fluorine Chemistry 125 (2004) 863-873
Lehmann, Influence of Absorbing Materials on the Funtionalization of Poly(tetrafluoroethylene) During g-Irradiation, J. of Applied Polymer Science 130 (2013) 1787-1793