Use of conventional flexible polymeric mould materials yields to longer solidification time of (wax/plastic) patterns in soft tooling process, thereby reducing the rapidity of the process to a great extent, which is not desirable in present competitive market. In this work, approach of particle-reinforcement with mould materials is introduced to reduce the cycle time of Soft tooling process and...

Abstract: structures in alloys. This method is based on pouring the melt through a small sized nozzle into a mould located at acertain height under the crucible. This simple method generates globular structures without using equipments such asimpellers, electromagnetic stirrers, ultrasonic probes and cooling slopes. Therefore it is cost effective. In the presentstudy, the effect of casting size...

Continuous casting is a critical step in the steel manufacturing process where molten metal is solidified in the form of slabs of rectangular cross-section. Minor variations in this step can impact the production process widely – from excellent product quality to breakdown in the production chain. In continuous casting the liquid steel from a ladle is first poured into a buffer vessel called a ...

OBJECTIVES To describe the home environment in terms of housing conditions and their association with child health in a disadvantaged immigrant population. DESIGN A cross-sectional observational study. SETTING Enrolment took place during 2010-2011 in Rosengård, Malmö, Sweden. PARTICIPANTS Children aged 0-13 years in 2 study neighbourhoods were recruited from local health records and from ...

INTRODUCTION Free-form surfaces are used in product design, either to deliver certain functionality, or for aesthetic purposes. The realization of models with free-form surfaces involves metal removal processes whose output is either the desired product, or a die/mould cavity for the desired product. This process is affected by various sources of error, which cause the geometry of the manufactu...

Mould species represent the pathogens most commonly associated with invasive fungal disease in patients with haematological malignancies and patients of haemopoietic stem cell transplants. Invasive mould infections in these patient populations, particularly in the setting of neutropenia, are associated with high morbidity and mortality, and significantly increase the complexity of management. W...

Nutrient richness of wood mould in tree hollows with the Scarabaeid beetle Osmoderma eremita.— Trunk hollows with wood mould harbour a rich invertebrate fauna with many threatened species, and it has been suggested that the beetle Osmoderma eremita (Coleoptera, Scarabaeidae) is a keystone species in this community. We estimated the amount of nitrogen and phosphorus in wood mould and compared th...

In moulding of large-size castings, the lack of uniformity in heating results in the deformation of individual mould parts. The resulting deformations cause internal stre-sses in the casting and scabbing in the mould. The main cause of deformation in the mould element is to be found in the α β transformation of the quartz grains. The allotropic modification of the quartz crystals from α into β ...

Cavity pressure control is a means of improving repeatability and product quality in injection moulding processes. As the system behaviour is greatly dependent on the mould which is interchangeable and typically designed and manufactured independently of the machine’s control system challenges arise in designing a controller that yields high performance and robustness to be suitable for univers...