Author: Charles William SutherlandPublisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 102
Book Description
The Effect of Hydrogen Pressure on the Creep Strength of Steel
Author: Charles William SutherlandPublisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 102
Book Description
The Effects of High Pressure, High Temperature Hydrogen on Steel
Author: Ellis E. FletcherPublisher:
ISBN:
Category : Steel
Languages : en
Pages : 82
Book Description
This report deals with the deleterious effects of hydrogen gas on steel at elevated temperatures and/or pressures. Hydrogen attack on steels is manifest as decarburization, intergranular fissuring, or blistering. These conditions result in lowered tensile strength, ductility, and impact strength. The reaction of hydrogen with iron carbide to form methane is probably the most important chemical reaction involved in the attack on steel by hydrogen. Attack of steel at elevated temperatures and pressures is limited or prevented by the following measures: (1) use of steel alloyed with strong carbide-forming elements, (2) use of liners of resistant alloy steels, and (3) substitution of resistant nonferrous alloys.
The Effect of Stress Concentration and Hydrogen Environment on the Creep Rupture Properties of Low Allow Steels
Author: Philip Joseph VaccaPublisher:
ISBN:
Category : Metals
Languages : en
Pages : 88
Book Description
The Effect of Hydrogen Environment on the Creep and Rupture Properties of Low Alloy Steels
Author: John Willoughby CoombsPublisher:
ISBN:
Category : Steel alloys
Languages : en
Pages : 124
Book Description
The Sensitivity of Stainless Steels to Hydrogen Environment
Author: Edward Walter HolmesPublisher:
ISBN:
Category : Metals
Languages : en
Pages : 152
Book Description
The Problem of Hydrogen in Steel
Author: A. R. ElseaPublisher:
ISBN:
Category : Steel
Languages : en
Pages : 42
Book Description
This memorandum introduces the problem of delayed, brittle failures associated with hydrogen in steel, particularly high-strength steel. It is intended to help the steel user determine if he has such a problem. The effects of hydrogen on the mechanical properties of steel are dealt with, and the behavior of material susceptible to delayed, brittle failure is described. Also, the effects of such factors as strength level, magnitude of applied stress, hydrogen content, steel composition, test temperature, and strain rate on hydrogen embrittlement and the susceptibility to hydrogen-induced, delayed, brittle failure are discussed. Possible sources of hydrogen in steel and the types of tests useful in determining the susceptibility to delayed failure are outlined. (Author).
The Effect of Hydrogen Environment on the Creep and Rupture Properties of Commercially Pure Iron
Author: Paul Edward ThomaPublisher:
ISBN:
Category : Hydrogen
Languages : en
Pages : 100
Book Description
Hydrogen Embrittlement and Stress Corrosion Cracking
Author: Alexander Robert TroianoPublisher: ASM International
ISBN: 9781615031788
Category : Technology & Engineering
Languages : en
Pages : 356
Book Description
Hydrogen-induced, Delayed, Brittle Failures of High-strength Steels
Author: A. R. ElseaPublisher:
ISBN:
Category : Steel
Languages : en
Pages : 166
Book Description
The Effect of Hydrogen on the Ductile Properties of Irradiated Pressure Vessel Steels
Author: JM. BeestonPublisher:
ISBN:
Category : Bituminous materials
Languages : en
Pages : 31
Book Description
The influence of hydrogen on the mechanical properties (ductility, fracture strength, and tendency towards delayed failure) was investigated for several irradiated pressure vessel steels. Included were ASTM A302B, A542, and HY-80 steel irradiated at fluences from 8x1018 to 4x1020 n/cm2, E > 1 MeV. Specimens from plate sections of these steels which had been quenched and tempered and some from A542 which were given prestrain and heat treatment modifications were prepared and tested. The effects of strength level from irradiation, heat treatment, and microstructure were thus determined. Reductions in ductility and true fracture strength occurred with increasing hydrogen content but were not extensive at strength levels less than 180 ksi in specimens containing 1 to 2 ppm hydrogen. This concentration, however, produced a marked effect on the ductile properties when the strength level was increased by irradiation hardening or heat treatment beyond this threshold range. Irradiation hardening increased the magnitude of the decrease in notched strength resulting from a given hydrogen content in all of the steels and conditions tested. Hydrogen induced delayed failure, however, did not occur to any large extent in HY-80, A302B, and A542 steel in the normal quenched and tempered condition even after irradiation to fluences in excess of 1020 n/cm2, E > 1 MeV, and hydrogen concentrations of up to 4 ppm.
