hydrogen embrittlement (HE)
Understanding and mitigating hydrogen embrittlement of steels: a review of experimental, modelling and design progress from atomistic to continuum
... by hydrogen residing in materials, a process that can have catastrophic ...of hydrogen can cause. Following catastrophic fractures related to hydrogen we will then discuss where hydrogen is ...
41
Effect of aging at room temperature on hydrogen embrittlement behavior of Ni-Ti superelastic alloy immersed in acidic fluoride solution
... the hydrogen embrittlement behavior of Ni-Ti alloy has been discussed by several authors (Yokoyama et ...the hydrogen embrittlement of Ni-Ti shape memory alloy is a decrease of the intrinsic ...
9
Hydrogen Embrittlement Behavior on Microalloyed Pipeline Steel in NS-4 Solution
... the hydrogen evolved during the corrosion ...the hydrogen generated by corrosion process causes cracking by two complementary hydrogen mechanisms: HELP and the hydrogen embrittlement ...
17
Pitting-induced hydrogen embrittlement of magnesium–aluminium alloy
... The environment-assisted cracking (EAC) behavior of magnesium and its alloys has been studied over the past years. Generally, the EAC in magnesium and its alloys has been attributed to anodic-dissolution assisted ...
23
Evaluation of Susceptibility to Hydrogen Embrittlement—A Rising Step Load Testing Method
... Hydrogen embrittlement (HE) is a dangerous reaction that puzzled the material world for a long ...time. Hydrogen embrittlement is a type of deterioration which can be linked to corrosion and ...
8
Maintenance Strategy for Prevention and Protection of Industrial Component from Failure due to Hydrogen Embrittlement
... metal works 17 7.9 Waste treatment 8 3.7 Nuclear industry 5 2.3 III. Common Characteristics of HE failure HE phenomenon occurs with high strength steel components. Components subjected to protective coatings e.g. ...
7
Hydrogen embrittlement behavior of Ni-Ti shape memory alloy with different microstructures in acidic fluoride solution
... that hydrogen embrittlement of all the specimens does not occur after immersion for only 2 ...absorbed hydrogen after immersion for 2 h was approximately 50 mass ppm for all of the speci- ...absorbed ...
10
Understanding and mitigating hydrogen embrittlement of steels : a review of experimental, modelling and design progress from atomistic to continuum
... by hydrogen residing in materials, a process that can have catastrophic ...of hydrogen can cause. Following catastrophic fractures related to hydrogen we will then discuss where hydrogen is ...
41
Effect of strain rate on the hydrogen embrittlement of a DP steel
... has a ferrite-martensite microstructure with low yield strength, but a high work hardening exponent at low and moderate deformation levels leading to a high ultimate tensile strength. Although the mechanical properties ...
6
Testing method and techniques for damage control and protection of industrial fasteners and weldments from failure due to Hydrogen Embrittlement
... Hydrogen embrittlement is a popular occurrence in which a metal is undermined by the inclusion of hydrogen in or beneath its ...surface. Hydrogen embrittlement (HE) of steels is of ...
7
Hydrogen Embrittlement Behavior of Ultrahigh Strength Mooring Chain Steel Evaluated by the Slow Strain Rate Test
... the hydrogen embrittlement of high strength steel ...for hydrogen to enter the mooring chain. One is from hydrogen formed by the cathodic reactions in marine corrosion, and the other is the ...
9
The Effect of Pre Strain on the Resistance to Hydrogen Embrittlement in 316L Austenitic Stainless Steel
... before hydrogen charging on the resistance to hydrogen embrittlement (HE) in the 316L austenitic stainless steel was investigated through the slow strain rate tensile test (SSRT), transmission ...
7
A Comparative Assessment of Hydrogen Embrittlement: Palladium and Palladium Silver (25 Weight% Silver) Subjected to Hydrogen Absorption/Desorption Cycling
... of hydrogen embrittle- ment is typically acknowledged but not investigated ...Since hydrogen embrittlement is such a cause for concern in many environments where metals interact with hydrogen, ...
17
About One Model of Hydrogen Embrittlement
... Abstract. Hydrogen embrittlement of materials is one of the important factors at an estimation of serviceability of ...of hydrogen influence on properties of metals and alloys, there are enough ' ...
12
Effect of Cathodic Potentials on the Hydrogen Embrittlement Susceptibility of 10Ni5CrMo Steel
... the hydrogen embrittlement susceptibility of high strength steel under cathodic protection, and a good understanding of the cathodic potential of medium and low strength steel has been achieved ...the ...
15
Evaluation of Susceptibility to Hydrogen Embrittlement of 7075 Aluminum Alloy by Hydrogen Addition Using Flax Treatment Method
... of hydrogen in material degradation of aluminum alloys since hydrogen embrittlement was suggested as one of the dominant mechanisms of their stress corrosion ...of hydrogen on mechanical ...
5
Alloy Design of Nb Based Hydrogen Permeable Membrane with Strong Resistance to Hydrogen Embrittlement
... the hydrogen solubility, the resistance to hydrogen embrittlement and hydrogen permeability are investigated quantitatively for Nb-based hydrogen permeable ...the hydrogen ...
6
Experimental Approach to Study the Effect of Hydrogen Embrittlement on Structural Steel under the Influence of Impact Loading and Wear Characterization
... 2) The hydrogen charging decreased the energy absorbed of the test material. The test material experience ductile to brittle transition during the soaking period. It is demonstrated that detection of mixed mode ...
6
Evaluation of hydrogen embrittlement and temper embrittlement by key curve method in instrumented Charpy test
... Abstract. Instrumented Charpy test was conducted on small sized specimen of 2- 1/4Cr-1Mo steel. In the test the single specimen key curve method was applied to determine the value of fracture toughness for the initiation ...
7
Research on hydrogen embrittlement sensitivitiy of hydrogenation reactor material by small punch test
... Small punch test is a near-nondestructive sampling of in-service micro-sample testing technology. After more than three decades of development, it has made great progress in obtaining various mechanical properties of ...
9