Zobrazeno 1 - 10
of 204
pro vyhledávání: '"Herbert Danninger"'
Publikováno v:
European Journal of Materials, Vol 3, Iss 1 (2023)
For PM steel precision parts, high mechanical loading is very common in service. In particular for automotive applications, fatigue up to very high loading cycle numbers may be encountered. Advanced alloying concepts for sintered steels are required,
Externí odkaz:
https://doaj.org/article/475496c3ddeb445cb08032726e2f7aa8
Publikováno v:
European Journal of Materials, Vol 2, Iss 1, Pp 381-406 (2022)
Sintering is a process by which particulate materials – loose or compacted – are transformed into a body that may be fully dense or may still contain pores, but in any case has structural integrity and load-bearing capacity. The physical mechanis
Externí odkaz:
https://doaj.org/article/91b5435e038249b1852485156398cc61
Publikováno v:
Metals, Vol 12, Iss 1, p 13 (2021)
In this paper, the effect of processes occurring during the sintering of four powder metallurgy steel grades on the resulting properties were investigated. This included three grades prepared from plain iron powder with admixed graphite, one grade al
Externí odkaz:
https://doaj.org/article/ac5de54c436d43c6a1fe4a18cb6c359c
Publikováno v:
Metals, Vol 11, Iss 10, p 1662 (2021)
Powder metallurgy (PM) offers several variants to introduce alloying elements for establishing the desired final composition. One route is the master alloy (MA) approach. The composition and the elements contained in the MA can be adjusted to obtain
Externí odkaz:
https://doaj.org/article/4c2f661c7cba4b6bacacc39da17e6e26
Microstructural evolution during sintering of Fe-Cr-C steels prepared from admixed elemental powders
Publikováno v:
Powder Metallurgy. :1-11
Publikováno v:
Journal of Thermal Analysis and Calorimetry. 148:1309-1320
For powder metallurgy processing, the sintering stage, i.e. the heat treatment of a the powder compact below the melting point of -at least- the major component, is decisive for establishing microstructure and properties. Thorough studying of the che
Publikováno v:
BHM Berg- und Hüttenmännische Monatshefte. 167:300-307
In Laser Beam Powder Bed Fusion (LB-PBF) technologies, spreading of powder layers as dense and as fully covered as possible is of crucial importance for a good processability of powders. Poorly covered layers or layers with undesirable features in it
Autor:
Bernhard Linder, Gregor Mikl, Christian Gierl-Mayer, Thomas Höfler, Herbert Danninger, Gerhard Angeli
Publikováno v:
Journal of Casting & Materials Engineering. 5:71-74
Reheating of steel slabs for further processing such as hot rolling usually takes place in gas-fired pusher furnaces. Temperatures well above 1000°C, combined with an atmosphere containing H2O, CO2, and O2, lead to substantial oxidation of most stee
Publikováno v:
Advanced Engineering Forum. 42:17-23
Sinter hardening is a powder metallurgy processing route that combines the sintering and the heat treating processes in one step by gas quenching the components immediately after they have left the high temperature zone of the furnace. It is both eco
Autor:
Stefan Geroldinger, John J. Dunkley, Herbert Danninger, Christian Gierl-Mayer, Raquel de Oro Calderon
Publikováno v:
Advanced Engineering Forum. 42:9-16
Among the various alloying techniques used in powder metallurgy, the masteralloy concept has been known for a long time. However, its use for production of ferrous precision parts has been hampered by several obstacles such as poor output of the usef