of niobium(Nb) which is known to mitigate metal oxidation is added into uranium metal as an alloying ... A simulated metallic uranium alloy, U-Nb has been fabricated and then oxidized in the range of 200 to ... In order to enhance an oxidation resistance of the pure uranium metal under air condition, a small quantity
This study presents a comprehensive simulation of a metallic mesh saturation band that does not affect ... In conclusion, the simulation data demonstrated the superiority of the new metallic mesh saturation band ... (type 1), an existing saturation band which absorbs the electromagnetic wave (type 2), and the new metallic
배관 용접시 발생하는 Liquid Metal Embrittlement Liquid Metal Embrittlement caused by piping welding Introduction ... Liquid Metal Embrittlement by Galvanizing (LME) 3 TIG 용접 모식도 LME EG : Electrogalvanized TIG - Tungsten ... 곡선 헬륨이나 아르곤 가스등의 불활성 가스 사용 산화 및 질화를 방지 가능 텅스텐을 전극으로 용가재를 옆에서 공급하여 전극 소모 없음 배관 용접시 주로 사용 LME - Liquid Metal
In this study, plasma processing of metal surface is experimentally investigated to enhance the surface ... Thin metallic disk specimens are prepared and their surface etching reactions with the three plasma gases
prepared by carbonization of polymer-silica nanocomposite precursor, and its application for heavy metal ... In addition, heavy metal ion adsorption behavior was also analyzed using common adsorption isotherms. ... showed a removal efficiency of 96 and 99% in 10 and 120 min, respectively, indicating a maximum heavy metal
The advantages and disadvantages of metallic biomaterials were also described. ... In this report, I will briefly introduce the metallic biomaterials and their characteristics. ... technologies of these biomaterials and their direction to move forward.Keywords : biomaterials, biometals, metallic1
The metal bush assembling process is a process of inserting and compressing a metal bush that serves ... In the metal bush assembly process, the head diameter defect and placement defect of the metal bush occur ... due to metal bush omission, non-pressing, and poor press-fitting.
Spin-off pyroprocessing technology and inert anode materials to replace the conventional carbon-based smelting process for critical materials were in..
We report the result of a high-resolution spectroscopic study on seven magnesium (Mg) enhanced stars. The high Mg abundances in these stars imply tha..
실험 방법 온도변화에 따른 Metal과 Semiconductor의 저항의 변화를 측정하기 위해 먼저 Metal과 Semiconductor를 대표하는 2가지 시편을 준비하였다. ... 또한 Metal과 Semiconductor의 저항을 비교하였을 때 30℃~270℃ 범위 내에서는 Metal의 저항이 Semiconductor보다 현저히 낮았다. ... 이는 아무래도 Metal은 많은 양의 Free electron에 의하여 전도가 일어나는 반면에 Semiconductor는 Metal에 비해 소수의 Carrier에 의해 전도가 일어나기
Micro-electronic gas sensor devices were developed for the detection of carbon monoxide (CO), nitrogen oxides (NOx), ammonia (NH3), and formaldehyde ..
sheet forming (ISF) is a highly versatile and flexible process for rapid manufacturing of complex sheet metal ... Since sheet metal, being a raw material for ISF, has property to resilience, spring-back would come in