Development of a heat treating vacuum furnace heated by natural gas (Record no. 149901)

MARC details
000 -LEADER
fixed length control field 02295nmc a2200217 4500
008 - CÓDIGOS DE INFORMACIÓN DE LONGITUD FIJA - INFORMACIÓN GENERAL
Campo de control de longitud fija 260224s xxu
082 ## - CLASIFICACIÓN DEWEY
Número de clasificación CD I249 1 0013788
245 00 - TITULO
Título Development of a heat treating vacuum furnace heated by natural gas
270 ## - FECHA DE CARGA
Fecha de carga 12/09/06 ; 22/07/2003
300 ## - DESCRIPCION FISICA
Otra extensión 14 p.
500 ## - NOTAS
Nota general Disponible en CD en formato PDF
520 ## - RESUMEN, ETC
Resumen Transcripción del abstract original del autor: For several years, the Carburizing and Carbonitriding operations carried out in a vacuum furnace have been done exclusively in electrical furnaces. To change this situation, Gaz de France joined a French industrial, leader on this market (ECM), in order to develop a heat-treatment vacuum furnace, heated with natural gas and able to carry out these operations. Carburizing needs high temperature, up to 950 °C, and to accelerate this treatment the pressure inside the cell has to be maintained between 5 and 10 absolute mbars. The project began at the end of 1997 and consisted of three phases (a feasibility study on a model, the study and the realization of a prototype, and an Industrial validation of the prototype named ICBP gaz) Several technical difficulties had been identified at the origin of the project and, at each phase, these difficulties were to be overcome to consider the following phase. The major difficulties were the perfect sealing of the heating equipment inside the heat-treatment cell, the accuracy of the temperature maintaining at 950 °C before treatment, the homogeneity of temperature along the external tube, and therefore the homogeneity of the temperature of the load before the carburizing operation. A version of a vacuum furnace heated by natural gas to carry out carburizing operations is now available. The official presentation of this new process took place officially in June 2002 at the congress of the ATTT (Technical Association of heat teatment) in Grenoble (France) and the first industrial reference is currently in hand.
773 ## - CORRECCIÓN
Partes relacionadas
942 ## - DESC. DE MATERIAL
Tipo de item KOHA Congresos (trabajos presentados)
100 1# - RESPONSABLE PERSONAL
Apellido, Nombre Ressent, Stephan
9 (RLIN) 22540
110 2# - RESPONSABLE INSTITUCIONAL
Responsable Institucional International Gas Union, IGU
9 (RLIN) 13105
111 2# - AUTORIDAD DE CONGRESO
Nombre de congreso World Gas Conference (22nd. : 2003 jun 1-5 : Tokyo)
9 (RLIN) 22029
710 2# - OTRA AUTORIDAD CORPORATIVA
Nombre Institucional International Gas Union, IGU
9 (RLIN) 13105
Holdings
Biblioteca propietaria Biblioteca actual Ubicación Fecha de adquisición Inventario Total de préstamos Signatura topográfica Inventario Fecha de carga Tipo de item KOHA
Biblioteca Alejandro Angel Bulgheroni Biblioteca Alejandro Angel Bulgheroni CD I249 1 0013788 04/03/2026 200025904   CD I249 1 0013788 200025904 04/03/2026 Archivo electrónico


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