Modification of Heat Treatment Parameters for Pearlite Steel Intended for Cold Plastic Working

• Autorzy: Grygier D.
• Języki publikacji: EN

Abstrakty

EN

One of the problems widely discussed in the relevant literature is the fatigue cracking of pearlite steel subjected to cold plastic working, as well as of that being currently in operation. Studies presented in the work were aimed at selection of the parameters, and mainly the time, of heat treatment operations of pearlite steel enabling obtaining cold drawn wires characterised with better plastic properties and higher fatigue resistance than the products achieved during standard processes. The idea of modification was based at possibility of obtaining steel of the sorbite, which are a mixture of ferrite and dispersion cementite of high degree of coagulation. The structures obtained with this method, as being globular, should be featured with better plastic properties than the lamellar structures created during standard diffusion transformation of austenite. In addition the discussed change was to enable decreasing the total surface of interphase boundaries at which the highest delaminations of structure were observed, regardless of whether the cause of the change resulted from presence of non-metallic inclusions or pile-up of dislocations.

Słowa kluczowe

EN

drawing; pearlite; cementite; coagulation; tempering

• Wydawca: Wydawnictwo Wrocławskiej Rady FSNT NOT
• Czasopismo: Journal of Machine Engineering
• Rocznik: 2016
• Tom: Vol. 16, No. 2
• Strony: 44--51
• Opis fizyczny: Bibliogr. 21 poz., tab., rys.

Twórcy

autor

Grygier D.

• Wrocław University of Technology, Department of Materials Science, Strength and Welding Technology, Wroclaw, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.