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Mould and Core Materials for Steel Foundry covers the significant progress in the development of various types of mould and core materials for steel founding. This book is composed of 17 chapters, and begins with the presentation of the testing procedures for the materials’ properties such as green and dry strengths, permeability, amount of gas evolved, shatter index together with hardness of rammed moulds. The next chapters provide the testing procedures and routine control of sand, silica, non-siliceous materials, binders, and clay bond. These topics are followed by discussions on sand preparation, shell mould, and other core materials, such as furanes. This book describes some steel foundry processes, including heat extraction, casting, and hot tear. The final chapters deal with the reconditioning and reclamation of sand, casting and scab defects, evaluation of high temperature properties, and the technical control of raw materials to ensure conformation to the specified standards.
Mould and Core Material for the Steel Foundry presents the various types of mould and core materials available. This book discusses the steady progress in the development of the important aspect of steel founding. Organized into 17 chapters, this book begins with an overview of the fundamental function of a mould to provide a cavity that would receive liquid metal to produce a casting of a desired size and shape when the metal cools by solidification. This text then describes the various forms of moulds and core making techniques. Other chapters explain the major requirements of a mould or core material, including the flexibility to shaping processes and the capability of the rammed structures to retain their shapes and rigidity. The final chapter discusses the significant role of mould and core materials in producing serious casting defects. This book is a valuable resource for readers who are interested with mould and core making principles. Engineers, sand technicians, and research workers will also find this book useful.
The metal casting, uses large amounts of natural resources, energy and metals as well as generates significant amounts of gases and solid wastes, which have an essential influence on the natural environment and work conditions in casting houses. The condition of the further development is the adjustment to the strategy of the sustainable development.This book examines potential solutions to the economic, ecological, and occupational hazards generated by the foundry industry. It focuses on emissions of chemical compounds during the preparation and formation of molding sands, molds pouring with molten metal, molds cooling and castings knocking out. It also addresses the effects of the spent molding sands reclamation process and the influence of spent sands on the environment during their storage. Establishing the most sustainable techniques for limiting the negative impact of foundry processes on the environment is explored in detail. The book will be valuable to academics and industry professionals alike. Describes the mechanisms of hardening and thermal destruction of individual binders in moulding and core sands; Assesses the influence of moulding and core sands technology on the environment; Discusses state of the art moulding and core sand technology.