Quantitative prediction of residual stress and hardness in case-hardened steel based on the Barkhausen noise measurement

Sorsa, Aki; Leiviskä, Kauko; Santa-aho, Suvi; Lepistö, Toivo

doi:10.1016/j.ndteint.2011.11.008

Cited by 106 publications

(59 citation statements)

References 28 publications

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“…Now, the researches about 18CrNiMo7-6 steel have almost focused on the mechanical property and micro-structure characterization at ambient temperature. 3,4,12,13) But little investigation was made on the characterization about the recovery, recrystallization behavior and thermostability of 18CrNiMo7-6 steel after SP at increased temperatures. Meanwhile, X-ray diffraction line profile analysis (XRDLPA) is a well-known reliable and non-destructive technique.…”

Section: Introductionmentioning

confidence: 99%

Microstructural Evolution and Mechanical Response of the Surface of 18CrNiMo7-6 Steel after Multistep Shot Peening during Annealing

Jiang

Ji³

2013

Mater. Trans.

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The variations of micro-structure, residual stress and micro-hardness for 18CrNiMo7-6 steel after triple shot peening (SP) against annealing temperature were studied. X-ray diffraction line profile analysis (XRDLPA) was used to identify the change of micro-structure and residual stress relaxation behaviors of the top surface for 18CrNiMo7-6 steel after SP. The results show that the micro-strain, dislocation density, stored energy, compressive residual stress (CRS) and micro-hardness of the top surface of 18CrNiMo7-6 steel after SP decrease with the increase of annealing temperature while the domain size increases with increasing annealing temperature. Meanwhile, the change rates of micro-structure the residual stress and micro-hardness are bigger at higher annealing temperatures.

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Section: Introductionmentioning

confidence: 99%

Microstructural Evolution and Mechanical Response of the Surface of 18CrNiMo7-6 Steel after Multistep Shot Peening during Annealing

Jiang

Ji³

2013

Mater. Trans.

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“…Furthermore, it was previously reported that Peak Position (indicated by Fig. 11 as a position of the curve maximum) would correspond to the average grain size and the profile would correspond to the grain size distribution [12,15]. It can be easily understood that the fine grain WL structure emits magneto elastic pulses of low magnitude and high frequency.…”

Section: High Frequency Barkhausen Noisementioning

confidence: 92%

Detection of grinding burn through the high and low frequency Barkhausen noise

et al. 2017

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Original scientific paper This paper deals with detection of surface damage after grinding through non-destructive micro magnetic technique based on Barkhausen noise. Paper compares the high and low frequency techniques and their sensitivity to detect surface burn and thickness of heat affected zone. The results of investigation indicate that the low frequency technique can more clearly detect surface burn than the high frequency technique due to relatively high thickness of heat affected zones obtained after grinding operations. The paper also discusses additional aspects of micro magnetic testing as a multi parametric technique where such parameters as Peak Position of Barkhausen noise loop correlate with the thermal load of machined surface. The paper also reports about corresponding structure transformations and associated stress state beneath the surface. Keywords: Barkhausen noise; detection; grinding; surface burn Otkrivanje brusne opekline putem visoke i niske frekvencije Barkhausenovog šumaIzvorni znanstveni članak Rad razmatra pojavu oštećenja površine nakon brušenja putem nedestruktivnog mikro magnetskog načina rada temeljenog na Barkhausenovom šumu. Uspoređuju se metode visoke i niske frekvencije i njihova osjetljivost u otkrivanju površinske opekline i debljine zone pod utjecajem topline. Rezultati istraživanja pokazuju da se metodom niske frekvencije može jasnije otkriti površinska opeklina nego metodom visoke frekvencije zbog relativno velike debljine zona pod utjecajem topline nastalih nekon brušenja. U radu se također raspravlja o dodatnim aspektima mikro magnetskog ispitivanja kao multi parametrijske metode u kojoj su parametri kao što je vršni položaj petlje Barkhausenovog šuma u korelaciji s toplinskim opterećenjem obrađivane površine. U radu se također daju odgovarajuće promjene u strukturi i s tim povezano naprezanje ispod površine.

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“…Aki Sorsa etc. used the characteristic value of the MBN signal (half peak width, peak position, crest factor, coercive force, remained magnetic) to build the mathematical model of forecast material hardness and stress [9]. T. Inaguma etc.…”

Section: Stress Testingmentioning

confidence: 99%

Application Status of the Barkhausen Effect in Nondestructive Testing

Yuan¹,

Enjing²,

Li³

et al. 2014

TELKOMNIKA

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IntroductionBarkhausen effect was found for the fist time in 1919, after years of research, today it developed into a nondestructive testing technology. The nondestructive testing technology based on Barkhausen effect is using the presence of magnetic signal caused by the exceptions or defects of the internal structure of materials to determine the damage degree of abnormalities and defects of the structure. It being mainly used for evaluating the quality and fatigue condition of the ferromagnetic materials, having the advantages of nondestructive, quantitative, reliable, fast, through the electric plating layer, large area detected, environmental protection and no harm to human body, the technology has significant application value in fields that including machinery, metallurgy, construction, aviation and aerospace, nuclear energy, transportation and other industries, as well as the geological exploration, safety testing, materials science and so on. Thus, the nondestructive testing technology based on the Barkhausen effect has become hot spot of the research.

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Quantitative prediction of residual stress and hardness in case-hardened steel based on the Barkhausen noise measurement

Cited by 106 publications

References 28 publications

Microstructural Evolution and Mechanical Response of the Surface of 18CrNiMo7-6 Steel after Multistep Shot Peening during Annealing

Microstructural Evolution and Mechanical Response of the Surface of 18CrNiMo7-6 Steel after Multistep Shot Peening during Annealing

Detection of grinding burn through the high and low frequency Barkhausen noise

Application Status of the Barkhausen Effect in Nondestructive Testing

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