Journal ArticleDOI
Initiation of Directional Grain Growth During Liquid-Phase Sintering of Tungsten and Nickel
Reads0
Chats0
About:
This article is published in Powder Metallurgy.The article was published on 1981-01-01. It has received 17 citations till now. The article focuses on the topics: Sintering & Grain growth.read more
Citations
More filters
Journal ArticleDOI
Review: liquid phase sintering
TL;DR: A review of the literature on liquid phase sintering can be found in this paper, with a focus on the densification and microstructure evolution events of a mixture of powders.
Journal ArticleDOI
Sintering time and atmosphere influences on the microstructure and mechanical properties of tungsten heavy alloys
TL;DR: In this article, an optimized sintering atmosphere was used to sinter two heavy alloy compositions (88 and 95 wt pct W) for times up to 600 minutes at 1480 °C.
Journal ArticleDOI
Gravity and configurational energy induced microstructural changes in liquid phase sintering
TL;DR: In this paper, experiments were performed with W-Ni-Fe heavy alloys in order to measure the microstructural changes vs position that occur in liquid-phase sintering under normal gravity.
Journal ArticleDOI
Grain growth behavior of tungsten heavy alloys based on the master sintering curve concept
TL;DR: In this paper, the authors transformed the time and temperature relationship for grain growth by Ostwald ripening into the master sintering curve (MSC) form and used the resulting MSC equations to analyze grain size data obtained from W-Ni-Fe heavy alloys.
Book ChapterDOI
Liquid Phase Sintering
J. Weiss,W. A. Kaysser +1 more
TL;DR: In this article, a general statement upon the effective densification phenomena, rearrangement and center to centre approach of particles is succeeded by a more detailed description of the mechanisms causing both phenomena.
References
More filters
Journal ArticleDOI
Chemically driven growth of tungsten grains during sintering in liquid nickel
Duk N. Yoon,Winfried J. Huppmann +1 more
TL;DR: In this article, it is suggested that the driving force for this process is the chemical potential difference between the equilibrium W-Ni alloy and the pure tungsten phase being dissolved.
Book ChapterDOI
Ostwald Ripening — A Survey
H. Fischmeister,G. Grimvall +1 more
TL;DR: Ostwald's theory of particle coarsening was developed by Greenwood, Lifshitz and Slyozov as discussed by the authors, and Wagner, who reported the first systematic study of the increased solubility of small particles which results from the tendency to reduce the total particle surface.
Journal ArticleDOI
The Role of Grain and Phase Boundaries in Liquid Phase Sintering
TL;DR: By optical and scanning electron microscopy two phenomena which influence the microstructure of liquid phase sintered materials were observed in this article, and models linking these phenomena with densification were presented.
Journal ArticleDOI
Crystallographic orientation relationships in coalescing sintered tungsten spheres
TL;DR: In this article, it was shown that the growing neck in the contact region between two neighbouring spheres has the same crystallographic orientation as the sphere where growth begins. And it is suggested that the necks often grow in favored crystallographic directions.
Related Papers (5)
Chemically driven growth of tungsten grains during sintering in liquid nickel
Duk N. Yoon,Winfried J. Huppmann +1 more
Grain growth and densification during liquid phase sintering of W-Ni
Dur N. Yoon,Winfried J. Huppmann +1 more