查詢結果分析
來源資料
相關文獻
- Al0.3CrFe1.5MnNiy高熵合金之腐蝕行為研究
- 高亂度合金的金相與電化學極化之研究--在室溫下與其他鋼材作比較
- 高熵合金AlxFeCoNiCrMo0.5之腐蝕及電化學特性研究
- Al[92ae]CoCrFeMo[92ae]Ni高熵合金與商用316不銹鋼腐蝕行為之比較
- Study on the Electrochemical Polarization and Stress Corrosion Cracking Behaviors of Alloy 690 in 5M Chloride Solutions at 25℃
- 鋁含量對Al[9058]CrFe□MnNi[92ae]高熵合金在0.5M硫酸中腐蝕性質之影響
- 冷鏈技術中蓄冷劑對鋁蓄冷容器之腐蝕與防蝕研究
- 半導體廠製程廢水排放管線腐蝕肇因分析
- 敏化304不銹鋼在高溫純水環境中應力腐蝕電化學雜訊反應
- 304不銹鋼在200∼400℃含NaCl水汽環境下之腐蝕行為研究
頁籤選單縮合
題 名 | Al0.3CrFe1.5MnNiy高熵合金之腐蝕行為研究=The Investigation of the Corrosion Properties of Al0.3CrFe1.5MnNiy High Entropy Alloys |
---|---|
作 者 | 曾憶婷; 張競謙; 蔡宇翔; 葉均蔚; 施漢章; | 書刊名 | 防蝕工程 |
卷 期 | 21:2 2007.06[民96.06] |
頁 次 | 頁135-146 |
分類號 | 440.39 |
關鍵詞 | 高熵合金; 304不銹鋼; 陽極極化; 循環極化; 電化學阻抗頻譜; 腐蝕; 孔蝕; High entropy alloy; 304 stainless; Anodic polarization; Cyclic polarization; EIS; Corrosion; Pitting corrosion; |
語 文 | 中文(Chinese) |
中文摘要 | 本實驗主要是探討高熵合金Al0.3CrFe1.5MnNiy的腐蝕行為,此高熵合金中的Al元素其用途主要是加強機械性質,但抗腐蝕能力不佳,因此考慮在少量Al成分的情況下,改變Ni的成份比例,並與304不銹鋼做比較;從極化掃描、電化學阻抗頻譜、循環極化及掃描式電子顯微鏡的結果顯示:在0.5M除氣硫酸溶液中,當Ni的成分比例從0.5增加到1.5份時,確實其抗腐蝕能力加,且與304不銹鋼相當,但Ni若添加太多,反而沒有得到更佳的抗蝕效果;而在氯離子的硫酸溶液中,Ni含量高的試片表面仍會出現許多緻密的孔洞,因此可知其抗孔蝕能力並沒有得到改善,此應與合金中Al成分之存在有所關聯。 |
英文摘要 | High entropy alloys (HEAs) are kinds of multi-component alloys composed of several major alloying elements, such as copper, nickel, aluminum, cobalt, chromium, iron, titanium, etc. It is known that HEA contained more aluminum component, evaluated previously, is less resistant to general corrosion than type 304 stainless steel (304SS), both in H2SO4 and in NaCl solutions at room temperature. In this experiment shows that the increasing of alloying nickel component in Al0.3CrFe1.5MnNi0.5 alloy will increase the corrosion resistance in 0.5 M H2SO4 at ambient temperature (~22°C) and is similar to that of 304SS. On the other hand, the HEA’s resistance to pitting corrosion in deaerated H2SO4, solution containing Cl- is inferior to that of 304SS, as indicated by a lower pitting potential and a narrower passive region for the HEA. The positive loop of hysteresis in cyclic polarization tests also confirmed that the HEA is susceptible to pitting corrosion in chloride-containing 0.5M H2SO4 solution. |
本系統中英文摘要資訊取自各篇刊載內容。