Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Mitsuru Handa"'
Publikováno v:
Metals, Vol 9, Iss 2, p 143 (2019)
The effects of needle peening (NP) on the bending fatigue limit of a high tensile steel (HTS) HT780 (JIS-SHY685)-welded joint containing an artificial semicircular slit on the weld toe were investigated. Three-point bending fatigue tests were conduct
Externí odkaz:
https://doaj.org/article/53ad8f0c157e49b6a2b95e0d28d722fd
Publikováno v:
Nihon Kikai Gakkai ronbunshu, Vol 81, Iss 821, Pp 14-00199-14-00199 (2014)
In hydraulic pumped storage turbine runners, accidents due to cyclic loading often occur, that caused by residual stress at time of welding repair of a cavitation eroded part. In this study, for the aim of more fatigue property improvement of the wel
Externí odkaz:
https://doaj.org/article/44bd24b383f94d088a3fb68e30aa9324
Publikováno v:
Journal of Mechanical Science and Technology. 35:3855-3862
In this study, a 0.4-1.6 mm deep semicircular crack was machined in DNV F690 offshore structural steel with an aspect ratio (As) of 1.0. After needle peening (NP), four-point bending fatigue tests were conducted. The fatigue limit estimated using the
Publikováno v:
Welding in the World. 64:647-660
Concerning environmental protection from removal of existing paint containing lead and poly chlorinated biphenyl on existing steel bridges during re-painting, circulating blasted techniques at bridge site using both steel grits and steel shots that c
Publikováno v:
International Journal of Steel Structures. 19:693-703
This study experimentally investigates effect of fatigue strength improvement of the Portable Pneumatic Needle-Peening treatment (PPP treatment) as a needle peening on out-of-plane gusset welded joints by using plate bending fatigue tests. This study
Publikováno v:
International Journal of Steel Structures. 19:495-503
Shot-peening recently can be applied to existing steel bridges due to the development of new vacuuming techniques of shots after peening in the construction site. This study experimentally investigates effects of fatigue strength improvement of shot-
Publikováno v:
Metals
Volume 9
Issue 2
Metals, Vol 9, Iss 2, p 143 (2019)
Volume 9
Issue 2
Metals, Vol 9, Iss 2, p 143 (2019)
The effects of needle peening (NP) on the bending fatigue limit of a high tensile steel (HTS) HT780 (JIS-SHY685)-welded joint containing an artificial semicircular slit on the weld toe were investigated. Three-point bending fatigue tests were conduct
Publikováno v:
Transactions of the JSME (in Japanese). 81:14-00199
Publikováno v:
International Journal of Steel Structures. 14:769-776
Effect of high frequency peening treatment with a small radius tip pin, which is less than 3mm radius tip pin, still remains unclear, although the effect of ultrasonic impact treatment on fatigue strength has been investigated. The objective of this
Publikováno v:
Tribology International. 32:725-730
A new measuring technique is proposed for measuring the in-plane deformation of soft metal surfaces when indented by a hard indenter, using the displacement of inclusions on the soft metal surface as sensors. In in-plane deformation, the soft metal s