hydrogen embrittlement वाक्य
उदाहरण वाक्य
मोबाइल
- This reduces the effects of hydrogen embrittlement and improves steel micro-structure by reducing the effects of the inter-granular cementite phase.
- This hydrogen embrittlement process is of particular concern when titanium and alloys are used as structural materials, as in nuclear reactors.
- Neither process produces any hydrogen, so there is no danger of any hydrogen embrittlement when pre-treating high-strength steels in this way.
- Because of hydrogen embrittlement of steel, and corrosion natural gas pipes require internal coatings or replacement in order to convey hydrogen.
- They have high resistance to crevice corrosion, stress corrosion cracking and hydrogen embrittlement that can be troublesome to other alloy systems.
- Hydrogen embrittlement can occur during various manufacturing operations or operational use-anywhere that the metal comes into contact with atomic or molecular hydrogen.
- Corrosion in the form of hydrogen embrittlement has been blamed for the gradual deterioration of the pre-stressing wires in many PCCP lines.
- SABRE inserts a helium cooling loop between the air and the cold fuel to avoid problems with hydrogen embrittlement in the precooler.
- Delayed failure, the fracture of a component under stress after an elapsed time, is a characteristic feature of hydrogen embrittlement ( 2 ).
- Metals and alloys exhibit phenomena such as stress corrosion cracking, hydrogen embrittlement, liquid metal embrittlement and corrosion fatigue all coming under this category.
- The process is also known as dry galvanizing, because no liquids are involved; however, no danger of hydrogen embrittlement of the goods exists.
- It can however cause hydrogen embrittlement of many alloys and especially carbon steel, so its application is usually limited only to some stainless steels.
- However, iron hydride is metastable and subject to the rapid formation of a precipitated phase of gaseous dihydrogen, a process known as hydrogen embrittlement.
- In the 1980s, the pressure tubes in the Pickering A reactors were replaced ahead of design life due to unexpected deterioration caused by hydrogen embrittlement.
- The cause of cracking did not become clear until metallographic results were combined with stress corrosion cracking and hydrogen embrittlement tests, followed by fracture mechanics analysis.
- The greatest advantage of the process is its ability to overcome hydrogen embrittlement problems, which is important for workpieces that have a hardness greater than HRC 40.
- However, in some circumstances & mdash; where there is a risk of hydrogen embrittlement, for example & mdash; this lower voltage is advantageous, as overprotection is avoided.
- The uranium oxide is dried before inserting into the tubes to try to eliminate moisture in the ceramic fuel that can lead to corrosion and hydrogen embrittlement.
- An additional problem is that any excessive hydrogen ions as a result of an excessively negative potential can cause hydrogen embrittlement of the wire, also resulting in failure.
- There is a great cost savings in using mechanical plating over electroplating on hardened workpieces, because the electroplating processes requires a pre-and post-plating operation to overcome hydrogen embrittlement problems.
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