Results 11 to 20 of about 115,094 (305)

Investigation on characteristic and formation mechanism of porosity defects of Al–Li alloys prepared by sand casting

open access: yesJournal of Materials Research and Technology, 2022
Porosity defects and interfacial reaction are very serious problems in sand casting Al–Li alloy, which greatly affect the quality of castings. In this work, the characteristic and formation mechanism of the porosity defects in the sand casting Al–Li ...
Yuancai Xu   +5 more
doaj   +3 more sources

Influence of Sand Casting Waste as Substitutor of Quartz Sand in Mortar

open access: yesRekayasa, 2021
Sand casting waste has the potential to replace quartz sand in mortar manufacture because it contains high silica. This study uses sand casting waste from the steel industry in Gresik, Indonesia to observe how it affects the quality of the mortar ...
Fandi Angga Prasetya   +4 more
doaj   +1 more source

De-Powdering Effect of Foundry Sand for Cement Casting

open access: yesApplied Sciences, 2021
With the development of the powder bed 3D printing process, sand casting can be performed with methods that are more advanced than the traditional ones, thus enabling new research on applied materials. When sand is 3D-printed with cement as a binder, its
Seungyeop Chun   +8 more
doaj   +1 more source

Assessment of Foundry Chromite Sand Crushability under Thermal-Mechanical Loading [PDF]

open access: yesArchives of Foundry Engineering, 2023
When used for sand casting, foundry sand is stressed in several ways. These stresses, thermal and mechanical, compromise the grain integrity, resulting in size reduction and the production of small particles to the point where the sand is no longer ...
J.K. Kabasele, K.D. Nyembwe, H. Polzin
doaj   +1 more source

RP Process Selection for Rapid Tooling in Sand Casting [PDF]

open access: yes, 1999
The significant cycle-time improvements and geometrical capabilities of solid freeform fabrication systems have led to applications in sand casting industry for design verification and tooling.
Conley, James G.   +3 more
core   +1 more source

PENGARUH PENGGUNAAN PASIR BALIKPAPAN TERHADAP KEKERASAN DAN FLUIDITAS LOGAM CORAN PADUAN Al-Si

open access: yesOtopro, 2021
The use of sand as a mold in the casting process is very common. In this study, Balikpapan sand used as casting sand then analyzed its effect on hardness and fluidity of the Al-Si alloy.
Sabdha Purna Yudha
doaj   +1 more source

Gas Pressure Effect on Sand Collapse in Kinetic Zone of Lost-Foam Casting

open access: yesAdvances in Materials Science and Engineering, 2020
Pressure of the kinetic zone is an essential factor for making defect-free castings in lost-foam casting process. The extremely high pressure causes many problems, such as reducing the melt velocity and inclusion of residual decomposition of the pattern ...
Joo Mae Jeon   +3 more
doaj   +1 more source

The improvement of aluminium casting process control by application of the new CRIMSON process [PDF]

open access: yes, 2012
All The traditional foundry usually not only uses batch melting where the aluminium alloys are melted and held in a furnace for long time, but also uses the gravity filling method in both Sand Casting Process (SCP) and Investment Casting Process (ICP).
Dai, Xiaojun J.   +2 more
core   +1 more source

High-quality manufacturing method of complicated castings based on multi-material hybrid moulding process [PDF]

open access: yesChina Foundry, 2018
A multi-material hybrid patternless moulding process for complicated castings has been proposed. Moulding sands used in the hybrid moulding process include silica sand, ceramic sand, chromite sand, zircon sand, and steel shot sand.
Li-min Liu, Zhong-de Shan, Feng Liu
doaj   +1 more source

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