EEICI/300 Equipamento de Ensaio de Impacto Charpy e Izod de 300Nm

7.3.2.1.- ENSAIOS MECÂNICOS 14.1.8.- ENSAIOS MECÂNICOS

SISTEMAS INOVADORES

The 300 Nm Charpy and Izod Impact Testing Unit, "EEICI/300", has been designed by EDIBON to study the toughness in impact tests of stainless steel, copper (Cu), brass (Cu+Zn alloy), and aluminum specimens.

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Sistema Modular de Aquisição e Controle

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Descrição Geral

The 300 Nm Charpy and Izod Impact Testing Unit, "EEICI/300", designed by EDIBON, consists of a pendulum supported by bearings with a 900 mm long arm and a clamping system at the starting position of the test. At one end of the pendulum, either the Charpy or Izod hammer can be screwed on.

The Charpy hammer has a "C" shape and is used for impact tests on specimens supported horizontally at both ends, and the Izod hammer is used for impact tests on specimens supported vertically.

The unit has grips for each hammer, consisting of two supports located in the center of the base to place the specimen, supported at both ends in the case of the Charpy grip and recessed and vertical in the case of the Izod grip.

Thanks to a graduated disk and a needle with initial reference with respect to the specimen position, the energy absorbed by the specimen on impact can be determined.

The test specimens correspond to ISO-148 and ASTM-E23 standards. They have a notch to facilitate deformation or breakage.

EXERCÍCIOS E PRÁTICAS GUIADAS

EXERCÍCIOS PRÁTICOS GUIADOS INCLUÍDOS NO MANUAL

  1. Determine experimentally the energy required for the rupture of specimens of different materials according to the Charpy method.
  2. Determine experimentally the energy required for the rupture of specimens of different materials according to the Izod method.
  3. Determine experimentally the frictional losses of the pendulum.

EXERCÍCIOS MAIS PRÁTICOS A SEREM FEITOS COM A UNIDADE

  1. Performing the same test with test pieces of different thicknesses and lengths (it would be necessary to change the grips and the hammer).
  2. Studying the influence of the impact speed on the breakage of the test pieces.
  3. Studying the effect of surface treatments on the test piece.
  4. Understanding the effect of temperature on the test pieces. Applying the test after subjecting the test pieces to different extreme temperatures.

EQUIPAMENTOS SIMILARES DISPONÍVEIS

CHARPY AND IZOD IMPACT TESTING UNIT - EEICI
  • EEICI
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7.3.2.1.- ENSAIOS MECÂNICOS
EEICI
Equipamento de Ensaio de Impacto Charpy e Izod
The Charpy and Izod Impact Testing Unit, "EEICI", consists of a pendulum supported on bearings with an arm of 330 mm long and a fastening system in the initial position of the test. The suitable hammer either for Charpy or Izod test is screwed to...
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