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Volume 5 – Issue 1 – 2023

Original Research Article

Procedure To Manufacture And Evaluate Matrixes That Operate At Pressures Of Up To 3 GPa

Sergio R. da Silva Soares1, Leonardo Resende1, Alexandra de O. França Hayama1,

Luana Góes Soares2, Ruan A. de Brito1

1Curso de Engenharia Mecânica, Universidade Federal de Rondonópolis (UFR), Av. dos Estudantes,
5055, 78736-900, Rondonópolis, MT, (BRAZIL)

2Laboratório de Materiais Cerâmicos (LACER), Universidade Federal do Rio Grande do Sul (UFRGS),
Avenida Osvaldo Aranha, 99, sala 709, 90035190, Porto Alegre, RS, (BRAZIL)

PAGE NO: 7-11


Mastery of high pressure generation technology at the levels required in this work it’s not trivial. Special matrices, with structural configurations that allow a extreme mechanical stress of the materials with which they are constructed, are used to produce that level of pressure. One of the simplest systems for generating static pressures up to 3 GPa (3000 MPa), is piston-cylinder type. In this type of apparatus, sintered highly densified can be produced from particulate matter placed inside a die and under an axial force, pressed between two pistons. In the presente work, the procedure used to manufacture a matrix (chamber) piston cylinder designed to operate at pressures up to 3 GPa (3000 MPa). Subsequently, from the compaction of chips of a 1050 steel (Æ £ 850 µm) in this matrix, the effect of pressure on the compacted microstructure was evaluated. The results obtained showed that: a) The designed matrix can operate at pressures of up to 3 GPa; b) The microstructure compacted under pressures from 1 GPa (1000 MPa) appeared uniform, highly densified and similar to those obtained by conventional methods that generally require the use of pressure and temperature.