Powder metallurgical components: Improvement of surface integrity by deep rolling and case hardening

Procedia CIRP

Volumn 13, Issue , 2014, Pages 192-197

  Nusskern, P ^a   Hoffmeister, J ^a   Schulze, V ^a  

^a KARLSRUHE INSTITUTE OF TECHNOLOGY   (Germany)

Author keywords

Heat treatment; Powder metallurgical components; Rolling

Indexed keywords

CARBONIZATION; CASE HARDENING; DIFFUSION IN SOLIDS; HARDENING; HEAT TREATMENT; METALS; RESIDUAL STRESSES; ROLLING; X RAY DIFFRACTION;

COMPRESSIVE RESIDUAL STRESS; MARTENSITIC SURFACES; POROUS MICROSTRUCTURE; POWDER METALLURGICAL; SOLID-STATE DIFFUSION; SURFACE DENSIFICATION; TREATMENT TECHNIQUES; X-RAY DIFFRACTION MEASUREMENTS;

METALLURGY;

EID: 84901781921     PISSN: None     EISSN: 22128271     Source Type: Conference Proceeding    
DOI: 10.1016/j.procir.2014.04.033     Document Type: Conference Paper

References (13)

1. Schatt W., Wieters K. P., Kieback, B.: Pulvermetallurgie: Technologien und Werk-stoffe, 2. Edition, Springer-Verlag, Berlin, Heidelberg, 2007.
2. Totten G.: Steel Heat Treatment - Metallurgy and Technology, CRC Press, Boca Raton 2007.
3. Altena H., Danninger H.: Wärmebehandlung von Sinterstahl- Präzisionsteilen: II. Prozess- und Anlagentechnik, BHM, 5 (2005), p. 170.
4. Prucher T.: Carburizing of Iron Based P/M Components, 20th ASM Heat Treating Society Conference Proceedings, (2000), p. 994.
5. Gallo A., Elia A., Cimabellini S.: The apparent diffusion coefficient of carbon in sintered iron during the gas carburizing process, powder metallurgy International, 16 (1984) 4, p. 177.
6. Widanka K.: Effect of interconnected porosity on carbon diffusion depth in vacuum carburising process of iron compacts, Powder Metallurgy, 53 (2010) 4, p. 318.
7. Krave T. J.: Carburization as a Function of Density and Carbon Potential Advances in Powder Metallurgy and Particulate Materials, MPIF, Princeton, 6 (1997), p. 3.
8. Rosso M., Scavino G., Lesprance G., Hong, B. D., Rege A. D., Miele P., Krave T. J.: Carbon and Nitrogen Diffusion in Ni, Mo, Mn alloyed P/M Steels Subjected to Gase-ous and Plasma Casehardening Treatments in Powder Metallurgy and Particulate Materials, MPIF, Princeton, 6 (1997), p. 12.
9. Kowaleski J, Kucharski K.: Vacuum carburizing system for powder metal parts and components, Industrial Heating, 5 (2007), p. 61.
10. Pustovoit V. N., Churyukin Y. N., Blinovski V. A.: Criteria for the effect of porosity on phase transformations in sintered steels, Izvestiya Akademli nauk SSSR Metally, 2 (1991), p. 90.
11. Nusskern P., Hoffmeister J., Schulze V.: Case hardening simulation of surface compacted, graded porous Astaloy 85 Mo components, Proceedings from the 6th International Quencing and Control of Distortion Conference Including the 4th International Distortion Engineering Conference, 2012, p. 755.
12. Nusskern P, Ohl A, Hoffmeister J, Schulze V. Bestimmung des Porositätstiefenverlaufes festgewalzter pulvertemtallurgisch hergestellter Proben aus Astaloy 85 Mo, Prakt. Met. Sonderband 43 (2011), p.227.
13. Merkel J.: Untersuchungen zum Einfluss von Kugelstrahl- und Festwalzbehandlungen auf den Randschichtzustand und die Schwingfestigkeit von Sintereisenwerkstoffen, PHD-Thesis, Universität Karlsruhe (TH), 2009.