The oxidation behaviour of aluminium-rich coatings on the TiAl alloy TNM-B1

The oxidation behaviour of aluminium-rich coatings on the TiAl alloy TNM-B1
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TiAl合金TNM-B1富铝涂层的氧化行为

DOI:
10.1080/09603409.2017.1389097
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发表时间:
2018
影响因子:
1.3
通讯作者:
M. Schütze
M. Schütze
中科院分区:
材料科学4区
文献类型:
--
作者:
A.S. Ulrich;N. Laska;A. Straubel;C. Leyens;R. Braun;M.C. Galetz;M. Schütze

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为了提高第三代钛铝合金(TNM-B1)在高温下的抗氧化性,采用包渗和磁控溅射沉积富铝涂层。对所形成的涂层进行分析并比较所形成的相和所含元素。对额外氟处理和预氧化的样品在900℃空气中进行氧化测试。与未涂覆的样品相比,涂层沉积的有益效果得到证实。此外,还使用 ​​EPMA 和显微硬度测量研究了地下区域中掺入的氧的浓度及其对机械性能的影响。确定了基材材料的三相——TiAl、-TiAl和-Ti(Al)的氧浓度,并且取决于之前的涂层沉积。
To improve the oxidation resistance of a third generation Ti–Al alloy (TNM-B1) at high temperatures, aluminium rich coatings were deposited using pack cementation and magnetron sputtering. The coatings formed were analysed and compared with respect to phases formed and the containing elements. Oxidation tests were carried out on the additionally fluorine treated and preoxidised samples at 900 C in air. Compared to uncoated samples the beneficial effect of coating deposition was confirmed. Additionally, the concentration of incorporated oxygen in the subsurface zone and its influence on the mechanical properties were investigated using EPMA and microhardness measurements. Oxygen concentrations were determined for the three phases of the substrate material-Ti Al,-TiAl, and-Ti (Al), and depended on the previous coating layer deposition.
DOI: --
发表时间: 1994
期刊:
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