Published 1980 | Version v1
Miscellaneous Open

Mechanical and structural characteristics in high temperature of stainless steel welded joint

Creators

  • 1. Rio de Janeiro Univ. (Brazil). Coordenacao dos Programas de Pos-graduacao de Engenharia
  • 2. Faculdade de Engenharia Souza Marques, Rio de Janeiro (Brazil)

Description

The mechanical behavior at 6000C of weldments made of type 304 stainless as base metal and niobium containing type 347 stainless as weld metal has been investigated. This was done through tensile and creep tests. Heat treatments at 6000C and up to 6000 hours permited a simultaneous follow up of the mechanical and microstructural changes. It was observed that the exposure at 6000C under load contributes, from the begining, to the strengthening of the weld. This is due to the acceleration of the second phase precipitation hardening. (Author)

Availability note (English)

MF available from INIS under the Report Number.

Abstract (Portuguese)

Investigou-se o comportamento mecanico a 6000C de juntas tendo como metal base o aco inoxidade 304 e como solda o aco inoxidavel 347 que contem niobio. Esta investigacao foi realizada atraves de ensaios de tracao e fluencia. Tratamento termico de ate 6.000 horas a 6000C permitiram simultaneamente o acompanhamento de alteracoes mecanicas e micro estruturais. Observou-se que a exposicao a 6000C sob carga contribue desde o inicio para um fortalecimento da solda por aceleracao do processo de endurecimento por precipitacao de segundas fases. (Autor)

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Additional details

Additional titles

Original title (Portuguese)
Caracteristicas mecanicas e estruturais a alta temperatura de junta soldada de aco inoxidavel

Publishing Information

Imprint Pagination
11 p.
Report number
INIS-BR--70

Conference

Title
4. Brazilian Congress on Materials Science and Engineering.
Dates
15-17 Dec 1980.
Place
Camboriu, SC (Brazil).

INIS

Country of Publication
Brazil
Country of Input or Organization
Brazil
INIS RN
14778467
Subject category
S36: MATERIALS SCIENCE;
Resource subtype / Literary indicator
Conference
Descriptors DEI
CREEP; HEAT TREATMENTS; HIGH TEMPERATURE; MECHANICAL PROPERTIES; MICROSTRUCTURE; NIOBIUM; STAINLESS STEEL-304; STAINLESS STEEL-347; TENSILE PROPERTIES; WELDED JOINTS
Descriptors DEC
ALLOYS; CARBON ADDITIONS; CHROMIUM ALLOYS; CHROMIUM STEELS; CHROMIUM-NICKEL STEELS; CORROSION RESISTANT ALLOYS; CRYSTAL STRUCTURE; ELEMENTS; HEAT RESISTING ALLOYS; IRON ALLOYS; IRON BASE ALLOYS; JOINTS; METALS; NICKEL ALLOYS; NIOBIUM ADDITIONS; STAINLESS STEELS; STEELS; TRANSITION ELEMENT ALLOYS; TRANSITION ELEMENTS