High temperature low-cycle fatigue of friction welded joints - type 304-304 stainless steel and alloy 718-718 nickel base superalloy

Journal Article · Fri Jan 01 04:00:00 EST 1993 · Journal of Engineering Materials and Technology; (United States)

DOI:https://doi.org/10.1115/1.2902142· OSTI ID:6471276

Wakai, T ^[1]; Sakane, M; Ohnami, M ^[2]; Okita, K ^[3]; Fukuchi, Y ^[4]

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1. Power Reactor and Nuclear Fuel Development Corp., Ibaraki (Japan). Oarai Engineering Center
2. Ritsumeikan Univ., Kyoto (Japan). Dept. of Mechanical Engineering
3. Hyogo Prefectural Inst. of Industrial Research, Miki (Japan). Technical Center for Machinery and Metals
4. Hyogo Prefectural Inst. of Industrial Research, Kobe (Japan)

This paper assesses the high-temperature low-cycle fatigue of the Type 304 stainless steel and Alloy 718 superalloy friction-welded joints. Strain controlled low-cycle fatigue tests for 304-304 and 718-718 friction-welded specimens were carried out at 923 K in air to obtain the fatigue strength of the joints. These materials were selected as the cyclic hardening and softening materials, respectively. The 304-304 welded specimens showed inferior fatigue strength in comparison with the base metal while the 718-718 specimens exhibited fatigue strength equivalent to that of the base metal. The difference in the fatigue strength between the two materials is discussed from the viewpoint of the cyclic deformation behavior and strain reduction at weld interface.

• OSTI ID: 6471276
• Journal Information: Journal of Engineering Materials and Technology; (United States), Journal Name: Journal of Engineering Materials and Technology; (United States) Vol. 115:1; ISSN 0094-4289; ISSN JEMTA8
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360103* -- Metals & Alloys-- Mechanical Properties
ALLOY-NI53CR19FE19NB5MO3
ALLOYS
ALUMINIUM ADDITIONS
ALUMINIUM ALLOYS
AUSTENITIC STEELS
CHROMIUM ALLOYS
CHROMIUM-NICKEL STEELS
COMPARATIVE EVALUATIONS
CORROSION RESISTANT ALLOYS
DATA
EVALUATION
EXPERIMENTAL DATA
FABRICATION
FATIGUE
FRICTION WELDING
HEAT RESISTANT MATERIALS
HEAT RESISTING ALLOYS
HIGH ALLOY STEELS
INCONEL 718
INCONEL ALLOYS
INFORMATION
INTERFACES
IRON ALLOYS
IRON BASE ALLOYS
JOINING
JOINTS
MATERIALS
MECHANICAL PROPERTIES
MOLYBDENUM ALLOYS
NICKEL ALLOYS
NICKEL BASE ALLOYS
NIOBIUM A
NUMERICAL DATA
STAINLESS STEEL-304
STAINLESS STEELS
STEEL-CR19NI10
STEELS
STRAINS
TEMPERATURE RANGE
TEMPERATURE RANGE 0400-1000 K
USES
WELDED JOINTS
WELDING