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00:33 Feb-01-1999
JOSE OLVERA LOPEZ
Re: Residual stress measurement youre work is very important, I a student of engeniering in the national institut of research nulear of mexico (INSTITUTO NACIONAL DE INVESTIGACIONES NUCLEARES)
MY WORK is development the relationship betwen barkhausen noise and the residual stress in steel ferrusmagnetic
I'd like information of the this topic

thaks



 
02:04 Feb-01-1999
Norm Woodward
Re: Residual stress measurement : MY WORK is development the relationship betwen barkhausen noise and the residual stress in steel ferrusmagnetic
: I'd like information of the this topic

: thaks

I would recommend that you check out any information that you can obtain from a vendor of equipment that uses this technology.

One such vendor is StressTech, and their website is http://www.stresstech.fi/.

Good Luck,
Norm


 
08:46 Feb-17-2000
jalaj
Re: Residual stress measurement : : Does anyone know of any information about evaluation of
: : the residual stress on thin films (with or without substrate)
: : by using acoustic methods like acoustic microscopy?

:
: The following article is available on NDTnet.

: http://www.ndt.net/article/eschn/eschn.htm
: Nondestructive Characterization of State and Properties of Aluminium Structures
: By E. Schneider FhG IZFP

: Abstract:
: The contribution gives a short overview of IZFP investigations towards the process integrated characterization of microstructure and
: evaluation of mechanical properties. The propagation velocities of ultrasonic waves allow the evaluation of the elastic constants of the
: alloy and good correlations are found between the acousto-elastic constant of different alloys and their yield strengths. Using the
: times-of-flight of different ultrasonic waves, the residual stress states in plates and welded parts are evaluated. The texture in Al-sheets
: is determined and the earing parameter is characterized using measurements of ultrasonic times-of-flight as function of the ultrasonic
: propagation direction. Ultrasonic backscattering technique is applied to visualize the distribution of ceramic reinforcements in
: automotive pistons and conrods made of Al-based metal matrix composites. The volume content on reinforcement is evaluated from the
: ultrasonic velocities. Backscattering and time-of-flight measurements are used to visualize and to characterize the burrs in Al- hollow castings.

: Please use the NDTnet search engine and you may find other information as well.

: Rolf Diederichs




 
00:21 Feb-22-2000
Miguel Rosas
Re: Residual stress measurement : your work is very interesting, I am a worker of
engeniering in the Mexican Institut of Petroleum
(INSTITUTO MEXICANO DEL PETROLEO)

: My job is researching the behavior of the magnetic
materials (measurement of the residual stress), and
maybe can I use the Berhausen Noise or ultrasonic
method

: I'd like information of the this topic

: Best regards




 
03:28 Mar-05-2000
bahia moulti
magneto- acoustic barkhausen : : : Does anyone know of any information about the theoretical evaluation of
: : : the magneto acoustic barkhausen and more details about the D.J.Buttle 's model developped
in the report of AEA industrial technology (july 1991)
thanks
: : :
: :



 
03:29 Mar-05-2000
bahia moulti
magneto- acoustic barkhausen : : : Does anyone know of any information about the theoretical evaluation of
: : : the magneto acoustic barkhausen and more details about the D.J.Buttle 's model developped
in the report of AEA industrial technology (july 1991)
thanks
: : :
: :



 
00:11 Mar-06-2000
David Buttle
Re: magneto- acoustic barkhausen gs. 'Residual stress measurement at NNDTC'. Brit. J. NDT, vol.34, No.4, pp175-182, April, 1992.

C.B. SCRUBY, G. ANTONELLI, D.J. BUTTLE, W. DALZELL, M. GORI, J.A. GULLIVER, C. de MICHELIS, F.A. RAVENSCROFT and M. RUZZIER. 'Development of nondestructive method for measurement of stress in welded steel structures'. European J NDE, vol.3, No.2, pp46-54, 1993.

D.J. BUTTLE, W. DALZELL, J.A. GULLIVER, F.A. RAVENSCROFT, C.B. SCRUBY, G. ANTONELLI, M. GORI, C. de MICHELIS and M. RUZZIER. 'Development of non-destructive techniques for in-situ residual stress measurement'. Proc. Life Assessment of Industrial Components and Structures, ERA Report 93-0690, 1993.

D.J. BUTTLE, W. DALZELL, J.A. GULLIVER, F.A. RAVENSCROFT, C.B. SCRUBY, G. ANTONELLI, M. GORI, C. de MICHELIS and M. RUZZIER. 'Testing structural steels for residual stress using a new magnetic system'. In Images, contrôle, qualité, Liège, 1994, Pub. ISIL, paper 8, 1994.

D.J. BUTTLE, W. DALZELL, M.T. HUTCHINGS and C.B. SCBUBY. 'Residual Stress and Plastic Damage Measurement by Magnetic and Positron Annihilation Techniques', European Conf. NDT, Oct. 1994, p718-, Nice, France.

D.J. BUTTLE. 'Measurement of Residual Stress Distributions', Metalurgica, vol.62, No.5, p205, May 1995.

D.J. BUTTLE and C.C. HOLT. 'Probe Modelling to Enable Biaxial Stress Measurement Depth Profiling', proc. Ist ENDT conf., UCL, London, 21-22 Sept., 1995, published in 'Studies in Applied Electromagnetics and Mechanics 8, Nondestructive Testing of Materials', eds. R. Collins, W.D. Dover, J.R. Bowler and K. Miya, IOS Press, p41-52.

D.J. BUTTLE, W.DALZELL and C.B. SCRUBY. 'MAPS - A New System for Residual Stress Measurement', 6th meeting on Measurement Techniques for On-line Inspection in the Metals Industry, Institute of Materials, London, May 1995.

C.B. SCRUBY, M.T. HUTCHINGS and D.J. BUTTLE. 'Non-destructive Methods for Determination of Residual Stress and Material Degradation and Their Potential for Life Assessment', Proc. 3rd Int. Conf. Engineering Structural Integrity Assessment on 'Life Assessment and Life Extension of Engineering Plant, Structures and Components', Churchill College, Cambridge, UK, 24-26 Sept. 1996.

P.C. BRAND, H.J. PRASK, M.T. HUTCHINGS, D.J. BUTTLE, J.P. GOFF. 'Residual Stresses in Bent Steel Tubes Measured by means of Neutron Diffraction and Magnetic Methods'. Proc. 5th int. Conf. On Residual Stresses, Linkoping, Sweden, June 16-18, 1997, pp622-627.

M.T. HUTCHINGS, D.J. BUTTLE, C.B. SCRUBY. 'Residual Stress Measurement for Component Life Management'. Proc. 5th int. Conf. On Residual Stresses, Linkoping, Sweden, June 16-18, 1997, pp848-853.

A.J. Allen, D.J. Buttle, W. Dalzell and M.T. Hutchings. "Residual Stress in Butt Weldments of 50D Steel Measured by Neutron Diffraction and Magnetic Techniques", Proc. 6th int. Conf. On Residual Stresses, Oxford, UK, July 10-12, 2000, pp.

D.J. Buttle. "Emerging Technologies for In-situ Stress Surveys", Proc. 6th int. Conf. On Residual Stresses, Oxford, UK, July 10-12, 2000, pp.




 
08:35 Jun-12-2000
Firat Kafkas
Re: Residual stress measurement : : your work is very interesting, I am a worker of
: engeniering in the University of Gazi in Turkey: (Faculty of Tecnical Education)

: : My job is researching the behavior of the ýron based materials (measurement of the residual stress), and maybe can I use according to the deformation based by electro chemical corrosion (destructive method)
:
: : I'd like information of the this topic (about measurement of residual stresses)

: : Best regards




 


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