Zobrazeno 1 - 10
of 19
pro vyhledávání: '"550"'
Publikováno v:
International Journal of Materials Research. 112:90-97
Negative creep using precision dilatation experiments is investigated on a broad variety of single, dual and multiphase nickel-based superalloys. Pure nickel and dilute binary nickel-based alloys show no signs of negative creep. However, with higher
Autor:
Liu Wei, Kong Dejun
Publikováno v:
International Journal of Materials Research. 107:1016-1025
A 40Cr steel was formed with warm extrusion under different temperatures, and the tensile fatigue limits after the warm extrusion were calculated according to the Roca rule. The metallographic microstructure and chemical compositions of the extrusion
Publikováno v:
International Journal of Materials Research. 106:1046-1052
The compressing pressure and microstructure and their relationship to mechanical and physical properties have been investigated in tungsten powder compacts infiltrated with copper. In this research, high pressure within the range of 250 to 550 MPa wa
Autor:
Jerzy Morgiel, Małgorzata Pomorska, Konstanty Marszałek, R. Mania, Łukasz Maj, Maciej Szlezynger
Publikováno v:
International Journal of Materials Research. 106:703-710
Ni/Al multilayer coatings of period Λ = 110 nm and Λ = 16 nm were deposited using a double target magnetron system. Their microstructure was characterized by means of transmission electron microscopy using thin foils cut out with a focused ion beam
Autor:
S. Kac, Stanisław Dymek, Beata Dubiel, Kazimierz Kowalski, E.P. Georgiou, Paolo Matteazzi, Jan Kusiński, Sergi Dosta, Jean-Pierre Celis, Aleksandra Czyrska-Filemonowicz
Publikováno v:
International Journal of Materials Research. 106:750-757
The paper presents results of the wear behavior, as well as the microstructural (scanning and transmission electron microscopy) and compositional (microanalysis with using energy dispersive and X-ray photon emission spectroscopy) characterization of
Autor:
K. Vasu, Shanmugavel Balasivanandha Prabu, Mamidipudi Ghanashyam Krishna, Thepperumal Sampath Kumar
Publikováno v:
International Journal of Materials Research. 106:378-390
The effect of depositing Nb-rich Ti1–x Nb x N coatings on the metallurgical characteristics and machining performance of tungsten carbide tools is investigated. The direct current reactive magnetron sputter deposited Ti1– x Nb x N thin film was c
Publikováno v:
Materials Science-Poland. 32:121-125
Ag — 8 wt. % ZnO composites were synthesized by ball milling, heat treating and hot pressing of silver and zinc oxide powder mixtures. The crystalline size and microstrain of the milled powders before and after heat treatment were determined by Deb
Publikováno v:
Materials Science-Poland. 30:303-312
Ion nitriding is an operation widely used in industry to harden materials surface. Nowadays, friction welding is one of the special welding methods used for welding the same or different kinds of materials. Especially in industry, it can be necessary
Autor:
Hans Conrad, Jun Wang
Publikováno v:
International Journal of Materials Research. 102:1331-1335
The effect of a “non-contacting” electric field (Method A) applied during the solution heat treatment of the Al – Mg – Si – Cu alloy AA6111 on subsequent natural aging measured by resistivity was determined and compared with that without fi
Autor:
Jan Van Humbeeck, Peter Molnar
Publikováno v:
International Journal of Materials Research. 102:1362-1368
The recovery stress evolution during thermal cycling (heating, isothermal holding, cooling) to temperatures significantly above the austenite finish temperature in Ni – Ti – Cu thin wires was evaluated in a dynamic mechanical analyser DMA TQ800.