Results 41 to 50 of about 146,514 (189)

Improved Mechanical Properties of Casting Made by New LPIC Technology [PDF]

Archives of Foundry Engineering
Nowadays, the emphasis is on improving the integrity of precision castings of Fe, Ni and Co alloys (improving the mechanical properties of the material and increasing process efficiency) more than ever before.
O. Vrátný, A. Herman, V. Novák, P. Chytka, M. Jarkovský, Z. Kopanica, J. Zeman   +6 more
doaj   +1 more source

Optimization of investment casting process parameters to reduce warpage of turbine blade platform in DD6 alloy [PDF]

China Foundry, 2017
The large warping deformation at platform of turbine blade directly affects the forming precision. In the present research, equivalent warping deformation was firstly presented to describe the extent of deformation at platform.
Jia-wei Tian, Kun Bu, Jin-hui Song
doaj   +1 more source

Vacuum forming of thermoplastic sheet results in low-cost investment casting patterns [PDF]

, 1964
Vacuum forming of a sheet of thermoplastic material around a mandrel conforming to the shape of the finished object provides a pattern for an investment mold.
Clarke, A. E., Jr.
core   +1 more source

Research progress on dimensional accuracy control technologies of complex thin-walled superalloy investment castings for aero-engines

Journal of Aeronautical Materials
Superalloys are predominantly employed to crucial aviation hot-end components such as turbine rear casings，diffusers，and pre-swirl nozzles. The investment casting technology supersedes “casting + welding” forming approaches，which reduces the number of ...
CUI Jiayu, WANG Donghong, XIAO Chengbo, SHU Da, SUN Baode, GUAN Bang, DING Zhengyi   +6 more
doaj   +1 more source

Foundry technologies from the point of view of castings accuracy [PDF]

, 2016
Tato bakalářská práce pojednává o různých slévárenských technologiích, konkrétně o technologii vytavitelného modelu, vypařitelného modelu a tlakového lití.
Hýbal, Ondřej
core  

Full-Densification of SLS Parts by Re-Melting [PDF]

, 2004
Among commercially available rapid prototyping processes, SLS is the most effective in terms of adaptability of various materials. However, rapid prototyped parts by the process are always porous and the physical properties of the parts are different ...
Niino, T., Yamada, H.
core   +1 more source

Present state of investment casting technology [PDF]

, 2014
Rešerše zaměřená na nejmodernější zařízení a suroviny používané v technologii vytavitelného modelu se zaměřením na výrobu voskového modelu, keramické skořepiny, vytavování vosku a tepelného zpracování keramické formy před odlitím.Survey of the most ...
Matoušek, Roman
core  

Research of Fluidity for new LPIC Technology [PDF]

Archives of Foundry Engineering
Today, the emphasis is on rapid development and research of new technologies in all technical fields. In most cases, research and development involves practical experiments, which can be very costly to carry out.
A. Herman, M. Jarkovský, O. Vrátný, P. Chytka   +3 more
doaj   +1 more source

Platinum Investment Casting Alloys

Platinum Metals Review, 1978
The high melting point of platinum makes stringent demands on the other materials involved when it is investment cast. However, by careful selection of refractories, it has been possible to successfully cast small batches of platinum items for many years.
G. Ainsley, A. A. Bourne, R. W. E. Rushforth   +2 more
openaire   +1 more source