Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Masateru Ohnami"'
Autor:
Masateru Ohnami
Publikováno v:
Journal of JSEE. 53:8-13
This paper points out the problem of the plural external evaluation system for Japanese universities. Japanese evaluation system is internationally the peculiar case that both of chartering in government and accreditation in government and non-govern
Publikováno v:
Journal of Electronic Packaging. 122:207-213
This paper describes the life assessment of flip chip joints. Flip chip joints of 63Sn-37Pb and 5Sn-95Pb solders on a printed circuit board were stressed thermally for fatigue. Fatigue lives of the joints were determined by an electrical potential dr
Publikováno v:
Journal of Engineering Materials and Technology. 120:57-63
This paper studies the high temperature multiaxial low cycle fatigue of Mar-M247LC directionally solidified superalloy. Tension-torsion multiaxial low cycle fatigue tests were carried out using Mar-M247LC tubular specimens at 1173K in air. Several mu
Publikováno v:
Fatigue & Fracture of Engineering Materials & Structures. 20:1375-1386
This paper describes the microstructure of Type 304 stainless steel after cyclic loading at room temperature under tension-torsion nonproportional strain paths. The degree of cyclic nonproportional hardening is correlated with changes in the dislocat
Publikováno v:
Journal of Engineering Materials and Technology. 119:153-160
This paper describes studies of the tension-torsion multiaxial low cycle fatigue of CMSX-2 Ni-base single crystal superalloy. Tension-torsion low cycle fatigue tests were carried out at 1,173 K using CMSX-2 hollow cylinder specimens aligned with the
Autor:
Yasuhiro Komatsu, Takasfumi Tsurui, Shoichi Mukai, Masao Sakane, Daisuke Ueda, Masateru Ohnami
Publikováno v:
Journal of the Society of Materials Science, Japan. 46:1374-1380
This paper describes the development of triaxial tension creep machine. The developed machine can make equitriaxial tension creep experiments, and has a loading capacity of 49KN and the maximum temperature of 923K. Three dimensional finite element (F
Publikováno v:
Journal of the Society of Materials Science, Japan. 46:1083-1089
This paper describes the creep-fatigue damage evaluation of SUS 304 stainless steel in wide ranges of multiaxial stress and strain states. Low cycle fatigue and creep-fatigue tests were carried out using a cruciform specimen in a full range of strain
Publikováno v:
Journal of the Society of Materials Science, Japan. 46:58-64
This paper studies the low cycle fatigue crack detection using the A.C. potential drop (ACPD) method for CoCrAlY coated 738LC Ni base superalloy. Push-pull low cycle fatigue tests were carried out at 1123K in air using solid specimens with fast-fast
Publikováno v:
Journal of the Society of Materials Science, Japan. 46:969-975
This paper describes the multiaxial creep-fatigue of 63Sn-37Pb solder solid and tube specimens in push-pull and reversed torsion using fast-fast, slow-fast, fast-slow and slow-slow strain waves. The strain rate of fast straining was 0.5%/s and that o
Publikováno v:
Journal of the Society of Materials Science, Japan. 46:1381-1388
This paper describes the multiaxial low cycle fatigue (LCF) of 63Sn37Pb, 40Sn60Pb, 93.5Pb5Sn1.5Ag, 91.5Sn8.5Sb and 90Sn7.5Bi2Ag0.5Cu solders. Push-pull and reversed torsion LCF tests were carried out using the hollow tube specimens of the five kinds