Design equation for deformation of cold-worked zr-2.5 percent nb pressure tubes in-reactor PDF Download
Are you looking for read ebook online? Search for your book and save it on your Kindle device, PC, phones or tablets. Download Design equation for deformation of cold-worked zr-2.5 percent nb pressure tubes in-reactor PDF full book. Access full book title Design equation for deformation of cold-worked zr-2.5 percent nb pressure tubes in-reactor by E. F. Ibrahim. Download full books in PDF and EPUB format.
Author: E. F. Ibrahim
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Author: E. F. Ibrahim
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Author: J. Veeder
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Author: C. E. Ells
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Author: N. Christodoulou
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Changes in shape of internally pressurized tubes caused by operating temperatures and pressures are enhanced by fast neutron irradiation. lengths and diameters of zr-2.5nb pressure tubes in canada deuterium uranium-pressurized heavy water (candu-phw) power reactors and test reactors have been monitored periodically over the past 20 years. axial and transverse strain rates have been evaluated in terms of operating variables and the crystallographic texture and anisotropic microstructure of the extruded and cold-drawn tubes. the anisotropic deformation occurring during irradiation creep and growth is described by a self-consistent model that takes into account the presence of intergranular stresses without building up any discontinuities of strain and stress at the grain boundaries. in this model it is assumed that climb assisted glide of dislocations on prismatic, basal and pyramidal planes is the dominant creep mode and that growth occurs by net fluxes of interstitials and vacancies to a non random distribution of dislocations and grain boundaries. the predictions from a deformation equation based on data from the pickering, and point lepreau nuclear generating stations and the wr1, osiris, dido and nru test reactors are in good agreement with measurements of pressure tubes in bruce units. the equation has been employed as a material subroutine in the 3-d finite element code h3dmap for predicting the detailed shape change of pressure tubes. the prediction from h3dmap is a more complete description of shape change than that obtained from the closed-form expression.
Author: N. Badie
Publisher:
ISBN:
Category : Congress
Languages : en
Pages : 20
Get Book Here
Book Description
Changes in shape of internally pressurized tubes caused by operating temperatures and pressures are enhanced by fast neutron irradiation. Lengths and diameters of Zr-2.5Nb pressure tubes in CANada Deuterium Uranium-Pressurized Heavy Water (CANDU-PHW) power reactors and test reactors have been monitored periodically over the past 20 years. Axial and transverse strain rates have been evaluated in terms of operating variables and the crystallographic texture and anisotropic microstructure of the extruded and cold-drawn tubes. The anisotropic deformation occurring during steady-state irradiation creep and growth is described by a self-consistent model that takes into account the presence of intergranular stresses without building up any discontinuities of strain and stress at the grain boundaries. In this model, it is assumed that climb-assisted glide of dislocations on prismatic, basal, and pyramidal planes is the dominant creep mode and that growth occurs by net fluxes of interstitials and vacancies to a non-random distribution of dislocations and grain boundaries. The predictions from a deformation equation based on data from the Pickering and Point Lepreau Nuclear Generating Stations and the WR1, Osiris, DIDO, and NRU test reactors are in good agreement with measurements of pressure tubes in Bruce units. The equation has been employed as a material subroutine in the 3-D finite element code H3DMAP for predicting the detailed shape change of pressure tubes. The prediction from H3DMAP is a more complete description of shape change than that obtained from the closed-form expression.
Author: J. D. Parker
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Nuclear engineering
Languages : en
Pages : 876
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Nuclear engineering
Languages : en
Pages : 1110
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Nuclear energy
Languages : en
Pages : 516
Get Book Here
Book Description
Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1330
Get Book Here
Book Description
