Visão geral das especificações da inspeção por líquido penetrante e da inspeção por partículas magnéticas

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Entenda as especificações ASTM e SAE/AMS para selecionar o produto da Magnaflux correspondente para inspeções por partículas magnéticas e líquido penetrante

por Cheri Stockhausen, gerente de aplicações do produto

ASTM E1417

A “Prática da norma para ensaio de líquido penetrante” rege o processo de inspeção por líquido penetrante usado em operações de manutenção e fabricação.

A ASTM E1417 aborda os requisitos pessoais, requisitos de equipamento, métodos de aplicação e de remoção do penetrante. A ASTM E1417 também estabelece os resultados exigidos e a frequência de testes para materiais penetrantes em uso.

SAE AMS 2644

“Material de inspeção, penetrante” abrange os procedimentos de teste, classificação e qualificação de todos os materiais de teste de líquido penetrante. A QPL-SAE-AMS-2644 é a Lista de Produtos Qualificados (QPL) dos penetrantes, emulsificadores, limpadores e reveladores que foram qualificados e aprovados para SAE AMS 2644.

ASTM E1444

A “Prática da norma para ensaio de partícula magnética” é o documento-guia para a inspeção por partículas magnéticas. ASTM E1444 estabelece as diretrizes de inspeção por partículas magnéticas e os requisitos de controle de qualidade.

ASTM E709

Um documento comprovativo que pode ser usado com a ASTM E1444. O ASTM E709 é usado como um guia de referência para preparar procedimentos de inspeção. O ASTM E709 descreve as técnicas de inspeção por partículas magnéticas, recomendáveis para diversos tamanhos e formatos de peças ferrosas.

Não há uma lista de produtos qualificados para materiais de partícula magnética. Entretanto, diversas especificações da AMS oferecem diretrizes para materiais de partícula magnética. Essas especificações da AMS abrangem os requisitos técnicos e as disposições de garantia de qualidade de diferentes formas e métodos de materiais de partícula magnética:

  • método seco
  • método úmido
  • fluorescente
  • não fluorescente
  • veículo oleoso

Esses documentos da AMS são usados juntos com a ASTM E1444. A seguinte tabela lista as especificações, a descrição e o produto correspondente da Magnaflux.

Especificações

Descrição

Produto Magnaflux

AMS 2641

Veículo oleoso para inspeção por partícula magnética, base de petróleo

Carrier II

AMS 3040

Partículas magnéticas, visíveis, método seco

2 Yellow, 8A Red

AMS 3042

Partículas magnéticas, visíveis, método úmido, pó seco

7C​ Black

AMS 3043

Partículas magnéticas, visíveis, método úmido, suspensão em óleo, pronto para uso, embalagem em aerossol

7HF

AMS 3044

Partículas magnéticas, fluorescentes, método úmido, pó seco

14A

AMS 3045

Partículas magnéticas, fluorescentes, método úmido, suspensão em óleo, pronto para uso

14AM

AMS 3046

Partículas magnéticas, fluorescentes, método úmido, suspensão em óleo, pronto para uso, embalagem em aerossol

14AM

 

Cópias das especificações de ASTM podem ser solicitadas à ASTM, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 Telefone: (610) 832-9585
Website: www.astm.org

Cópias das especificações de AMS/SAE podem ser solicitadas à SAE World Headquarters, 400 Commonwealth Drive, Warrendale, PA 15096-0001 Telefone: (724) 776-4841
Website: www.sae.org

 

A manutenção regular do equipamento de partículas magnéticas é fundamental para que os ensaios não destrutivos possam salvaguardar inspeções e reduzir o tempo de inatividade. Saiba Como realizar a manutenção preventiva do equipamento de partículas magnéticas.

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