用商用碳化硼和 AISI M42 工具钢制造铁基薄膜金属玻璃的新方法

IF 3 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materialia Pub Date : 2024-10-09 DOI:10.1016/j.mtla.2024.102255

Sung-Tsun Wang , Jhen-De You , Bo-you Chen , Chun-Wei Chen , Jinn P. Chu , Pakman Yiu

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引用次数: 0

摘要

在这项研究中，我们报告了一种铁基薄膜金属玻璃（Fe-Cr-Mo-C-B-X TFMG），它是用商用碳化硼（B4C）靶材和 AISI M42 工具钢丸料通过磁控溅射制造的。不同数量的 M42 钢丸与 B4C 靶材共同溅射，导致铁含量从 48.1 at% 到 62.8 at% 不等。X 射线衍射和透射电子显微镜证实，所有样品薄膜都是无定形的。在差示扫描量热法（DSC）中，所有样品都出现了玻璃化转变和结晶现象，与典型的金属玻璃类似。不过，由于 B4m 的含氧量较高，几乎观察不到玻璃化转变。样品薄膜的表面粗糙度也极低，仅为 0.14 - 0.26 nm。样品薄膜还显示出与传统沉积 TFMG 相当的摩擦学特性，其中获得的最高硬度和还原模量分别为 9.0 GPa 和 150.8 GPa。样品薄膜的比磨损率 K0 也低至 1.6 × 10-5 mm3Nm-1。我们的工作展示了一种更具成本效益和可持续性的制造铁基 TFMG 的方法，其中 AISI M42 都很容易获得，使用后也很容易回收。

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A novel approach to fabricate Fe-based thin film metallic glass with commercial boron carbide and AISI M42 tool steel

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A novel approach to fabricate Fe-based thin film metallic glass with commercial boron carbide and AISI M42 tool steel

In this study, we report a Fe-based thin film metallic glass (Fe-Cr-Mo-C-B-X TFMG) fabricated by magnetron sputtering with commercial boron carbide (B₄C) target and AISI M42 tool steel pellets. Varied number of M42 pellets were co-sputtered with B₄C target, resulting in Fe content ranged from 48.1 at% to 62.8 at%. X-ray diffraction and transmission electron microscopy confirmed that all sample films were amorphous. All samples showed glass transition and crystallization in differential scanning calorimetry (DSC), similar to typical metallic glasses. However, glass transition was barely observable in B4m owing to its high oxygen content. The sample films also had extremely low surface roughness of 0.14 – 0.26 nm. The sample films also showed tribological properties comparable to conventionally deposited TFMG, where the highest hardness and reduced modulus obtained was 9.0 GPa and 150.8 GPa respectively. The sample films also demonstrated specific wear rate K₀ as low as 1.6 × 10^–5 mm³Nm^-1. Our work demonstrates a more cost-effective and sustainable way of fabricating Fe-based TFMG, in which both AISI M42 are readily available and can be easily recycled after use.

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来源期刊

Materialia MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

6.40

自引率

2.90%

发文量

345

审稿时长

36 days

期刊介绍： Materialia is a multidisciplinary journal of materials science and engineering that publishes original peer-reviewed research articles. Articles in Materialia advance the understanding of the relationship between processing, structure, property, and function of materials. Materialia publishes full-length research articles, review articles, and letters (short communications). In addition to receiving direct submissions, Materialia also accepts transfers from Acta Materialia, Inc. partner journals. Materialia offers authors the choice to publish on an open access model (with author fee), or on a subscription model (with no author fee).