Buscar
Mostrando ítems 1-10 de 22
Heating time required for an MgO-graphite refractory during a hot modulus of rupture test
(2006-09-01)
In the work described in the present paper, an analytical solution of the general heat conduction equation was employed to assay the temperature profile inside a solid slab which is initially at room temperature and is ...
Heating time required for an MgO-graphite refractory during a hot modulus of rupture test
(2006-09-01)
In the work described in the present paper, an analytical solution of the general heat conduction equation was employed to assay the temperature profile inside a solid slab which is initially at room temperature and is ...
Studio di miscele refrattarie per spruzzatura a caldo mediante misura del modulo di rotturaStudy of refractory mixes for hot spraying by means of modulus of rupture tests
(Techna Group, 2006-04)
The modulus of rupture of four different refractory mixtures for coke ovens repair by hot gunning was determined. The materials were characterized by chemical, granulometric and phase analyses, optical microscopy and ...
Estudo da influência da adição de compostos de boro na resistência à oxidação de refratários a base de carbeto de silício-liga de nitreto.
(Universidade Federal de São CarlosBRUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEM, 2004-08-06)
In this work, boron was added in a commercial silicon carbide bonded silicon nitride refractory and its influence has been evaluated. These materials have been used as high temperature structural ceramic due to their ...
Painéis de partículas de madeira leucena e resina poliuretana derivada de óleo de mamona
(2013-08-01)
This research aimed to test particleboard with leucena (Leucaena leucocephala) wood particles and polyurethane resin castor oil based. The response variables are: modulus of rupture (MOR), internal adhesion (AI), apparent ...
Painéis de partículas de madeira leucena e resina poliuretana derivada de óleo de mamona
(2013-08-01)
This research aimed to test particleboard with leucena (Leucaena leucocephala) wood particles and polyurethane resin castor oil based. The response variables are: modulus of rupture (MOR), internal adhesion (AI), apparent ...
Verificação de rompimentos em instalações prediais de água quente: um estudo de caso
(Universidade Federal de Minas GeraisUFMG, 2014-12-15)
A problem that usually is found on hydraulic installations is related to maintenance of pipes and connections. Normally, this systems present ruptures events, which can increase over the years. Those events may turn into ...
Propriedades tecnológicas de painéis cimento-madeira produzidos com partículas de eucalipto
(CuritibaBrasil, 2015-12-03)
The study aimed to determine the technological properties of cement-wood panels produced with the particle Eucalyptus benthamii Maiden et Cambage. The experiment plan consisted of four compositions with different treatments ...
Avaliação de matérias-primas alternativas com ação ligante ou sinterizante para concretos refratários
(Universidade Federal de São CarlosUFSCarPrograma de Pós-Graduação em Ciência e Engenharia de Materiais - PPGCEMCâmpus São Carlos, 2020-08-05)
Refractory materials are used as linings in most equipment of heavy industries. As the latter are continuously seeking to reduce expenses in order to increase their energy efficiency and productivity, the evaluation of ...