Study of mould hardness for alpha set type resin bonded moulding sand system using Taguchi approach for metal casting applications [PDF]
The quality of the castings are depended on many properties of sand mould like mould hardness, green compression strength, shear strength etc. and these properties in turn dependent on factors such as grain fineness number of sand, setting/curing time ...
Anand Deshpande +5 more
doaj +3 more sources
Surface hardening of a mould steel by laser quenching [PDF]
The objective of this work is to study the laser quenching process of AISI P20 + S mould steel, focusing on improving surface hardness and wear resistance.
F. M. Rodrigues +4 more
doaj +2 more sources
Wear and heat shock resistance of Ni-WC coating on mould copper plate fabricated by laser
A Ni-WC coating was fabricated successively on a copper substrate by laser. The microstructure, hardness and wear resistance were investigated. The thickness of Ni-WC coating was 0.65 mm and average hardness of strengthening layer was 667HV0.1, which was
Yali Gao
exaly +3 more sources
The Influence of the Processing Conditions on Changes in Physical and Structural Properties of Injection Moulded Parts Made of Polypropylene [PDF]
The injection moulding conditions may change the degree of crystallinity of the plastic to some extent, which affects the mechanical properties such as tensile strength and hardness. Moreover, the cooling conditions of the moulded parts may contribute to
P. Palutkiewicz, A. Kalwik, T. Jaruga
doaj +1 more source
The aim of the study was to analyse changes in the physicochemical, rheological, and textural properties occurring during the storage of industrially produced smoked salami and mould salami. Tests on these cold cuts were conducted on the 2nd, 15th, 30th,
Jerzy Stangierski +2 more
doaj +1 more source
Investigation of carbon contamination in lost foam castings of low carbon steel [PDF]
Lost foam casting (LFC) process is a special casting method in which polymeric foam patterns with refractory coatings are utilized as a mould component. In this work, four types of foam: expandable polyethylene (EPE), expandable polypropylene (EPP) and
Oznur Kilic +2 more
doaj +1 more source
Effect of Heat Treatment Temperature on the Microstructure and Corrosion Resistance of Electrodeposited CrC Film of V3N Steel for Die [PDF]
In order to improve the performance of electrodeposited CrC films on the surface of V3N high speed steel used in the mould, the sample was strengthened by adjusting the heat treatment temperature (holding for 1.5 h).
CHANG Can - guang
doaj +1 more source
Modeling and Optimization of Phenol Formaldehyde Resin Sand Mould System
Chemical bonded resin sand mould system has high dimensional accuracy, surface finish and sand mould properties compared to green sand mould system. The mould cavity prepared under chemical bonded sand mould system must produce sufficient permeability ...
Chate G. R. +3 more
doaj +1 more source
Optimization of green sand mould system using Taguchi based grey relational analysis [PDF]
The strength of the mould cavity in sand casting is very much significant to attain high-quality castings.Optimization of green sand process parameters plays a vital role in minimizing casting defects.
Srinivasa Rao Pulivarti +1 more
doaj +1 more source
Evaluation of the Effect of External Conditions During Crystallization and Solidification on the Final Structure of AlSi7Mg [PDF]
The paper deals with the possibilities of influencing the final microstructure of aluminium alloy castings by changing the external conditions of crystallization and solidification.
F. Radkovský +2 more
doaj +1 more source

