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Introduction With the development of science and technology, Nondestructive testing is very important application in many fields[1-5].
Electric impedance measurement is according to the electromagnetic theory, the change of electric in workpiece is measured, the workpiece is including kinds of metal materials and a part of nonmetal materials.
Jin-ming, Clinicla evaluation of regional electric impedance pneumograph and scintigragphy in patients with COPD, WEST China Medical Journal, 24 (2009) 3004-3006.
Lichuan, Coil impedance calculation of an eddy current sensor by the finite element method, Russian Journal of Nondestructive Testing, 44 (2008) 296-302
Daisheng, Computational methods of coil impedance of eddy current sensor, Chinese journal of mechanical engineering, 43 (2007) 210-214.

Two types of ISF in sheet forming: (a) SPIF and (b) TPIF According to almost all previous research, the formability restriction of ISF [2] that stands by the value of the angle of deformation in fig. 2 that cannot surpass to 80o with almost all workpieces sheet and pestle materials.
Fig.5 shows the effect of discontinuous yielding and strain aging of the formed material.
Nandedkar, Deformation Mechanism Analysis of Single Point Incremental Sheet Metal Forming, Science Direct, Procedia Materials Science 6 (2014) 1505 – 1510
Nguyen, A study of the ability of the deformation of titanium sheet by hot single point incremental forming technology, Science and Technology Development Journal (2017) 20
Bay, Strategies and limits in multi-stage single-point incremental forming, Journal of Strain Analysis for Engineering Design, 45(1), 33-44 https://doi.org/10.1243/03093247JSA574

Material and methods Preparation of Soybean Pectin Gel.
Journal of Dairy Science. 11(2010): p. 5069-5081
Journal of Dairy Science. 2(2006): p. 505-517
Journal of Dairy Science. 11(2010): p. 5069-5081
Journal of Dairy Science. 4(1984): p. 874-878

Department of Materials Science and Engineering, Shenzhen Graduate School, Harbin Institute of Technology, Shenzhen 518055, P.
Surface-packaging Materials.
Adhesive Materials [20].
Heat-dissipation Substrate Materials.
Fan: Journal of Foshan University (Natural Science Edition).

The yield strength , ultimate strength , and elastic modulus E of the three materials were obtained.
The true stress-plastic strain curves of the materials were extended to fracture as shown in Fig. 3.
Results of the 9 uniaxial tensile tests of round bars provide stress-strain data, elastic modulus, strength and ductility of the three materials.
Characteristic lengths of the three materials were obtained from scanning of 9 fracture surfaces.
Journal of Structural Engineering 2006; 132(12): 1907-1918

It is therefore imperative to investigate the machinability behavior of different materials by changing the machining parameters to obtain optimal results.
Materials and methods Specifications of Work material The work material used for the present work is AISI No. 1042 alloy steel of 50mm diameter and 500mm length.
A., (2007),”Predictive machinability models for a selected hard material in turning operations”, Journal of Materials Processing Technology, Volume 190, pp. 305–311
Journal of Applied Sciences, 12: 1038-1042
[13] Gaitonde, V.N.; Karnik, S.R.; Paulo Davim, J., 2010, “Modeling and analysis of machinability characteristics in PA6 and PA66 GF30 polyamides through artificial neural network”, Journal of Thermoplastic Composite Materials 23(3): 313-336

The beams dimensions were: cross-section (width×depth) 200mm×300mm.The materials properties were: concrete C40,longtitudinal reinforcement was HRB335,hoop reinforcement was HRB235.
China railway science,2008,29(2)：59-66.
Journal of Hunan City University(Natural Science). 2004,13(3):4-6.
ACI Structural Journal. 2003,100(4):446-453
ACI Structural Journal / March-April 1998,107- 115

Besides, the third connection mode's shear connectors stress changes smoothly, the materials can be used more reasonable.
Therefore, to meet the safety of foundation pit, the long piles will only result in the waste of materials.
Therefore, to meet the safety of foundation pit, the long piles will only result in the waste of materials.
(In Chinese) [2] Xiao Yu,Mingxing Luo,Hongsheng Guan:Journal of Wuhan University of Science and Technology, Vol.36(2013)No.3,p.233-236.
(Science Press, Chinese 2005).

Metal physics workers prefer study what material composition and organization structure can enhance the material using performance, the service characteristics is not deep considered under non ideal surface[5-6].
JOURNAL OF HEFEI UNIVERSITY OF TECH NOLOGY.
International Journal of Machine Tools&Manufacture. (2013), p. 44-53
Journal of materials processing technology.
JOURNAL OF PLASTICITY ENGINEERING.

Sun2 1Machinery Industry Key Laboratory of Chip Control and High Efficiency Tool Technology, Harbin University of Science and Technology, 52 Xuefu Road, Harbin 150080, China 2Harbin Hafei Die Manufacturing Co., Ltd, 15 Youxie Street, Harbin 150066, China achangxing-1@163.com.cn, bjiangbin943@yahoo.com.cn, czhengminli303@yahoo.com.cn Keywords: High speed milling, Ball-end milling cutter, Instantaneous cutting layer parameters, Instantaneous cutting force Abstract.
Material of work piece is hardened steel Crl2MoV，HRC58-63.
References [1] Y.C.Tsai and J.M.Hsieh: Journal of Materials Processing Technology Vol.117(2001), p. 183-192 [2] E.J.A.Armarego, D.C.Kang, S.Verezub and D.L.Wang: Machining Science and Technology Vol.6 (2002), p. 437- 440 [3] S.L.Chen, C.C.Chang and C.H.Chang: Proceedings of the Institution of Mechanical Engineers Vol.214(2000), p. 47-59 [4] X.Ai: High Speed Machining Technology (National Defense Industry Press, China 2003)
[5] K.Yoshihiro,F.Hiroyuki, K.Yoshiaki, N.Heizabro and H.Toshiki: Journal of Materials Processing Technology,Vol.111(2001), p. 240-243 [6] N.Hettiarachchi, T.Moriwaki, K.Nakamoto, H.Saraie and H.Mochizuki: International Journal of Manufacturing Research, Vol.1(2006), p. 300-313 [7] X.Fan and M.Loftus: International Journal of Production Research, Vol.45(2007), p. 899-911 [8] Y.N.Hu, C.Y.Wang, J.L.Wang and Z.Qin:Materials Science Forum, Vol.471-472(2004), p. 374-379 [9] S.Ekinovic, S.Dolinsek and I.S.Jawahir: Machining Science and Technology, Vol.8(2004), p. 327-340