Numerical Analysis of Welding Residual Stress and Its Verification Using Neutron Diffraction Measurement  

Oleh:

Mochizuki, Masahito ; Hattori, Toshio ; Hayashi, Makoto

Jenis: Article from Bulletin/Magazine
Dalam koleksi: Journal of Engineering Materials and Technology vol. 122 no. 1 (2000), page 98-103.
Topik: neutron; numerical analysis; residual stress; neutron; diffraction measurement

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: JJ87.1 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

Lihat Detail Induk

Isi artikel

Direct measurements and computed distributions of through - thickness residual stress in a pipe butt - welded joint and a pipe socket - welded joint are compared. The analytical evaluation methods used were inherent strain analysis and thermal elastic - plastic analysis. The experimental methods were neutron diffraction for the internal residual stress, and X - ray diffraction and strain - gauge measurement for the surface stress. The residual stress distributions determined using these methods agreed well with each other, both for internal stress and surface stress. The characteristics of the evaluation methods and the suitability of these methods for each particular welded object to be evaluated are discussed.

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