Alloying of Stacked Single Films Through Heating for Making Chromium-free Hard Films

堆叠单层薄膜加热合金化制备无铬硬质薄膜

• 批准号: 11650754
• 负责人: KANEMATSU Hideyuki
• 金额: $ 1.22万
• 依托单位: Suzuka National College6of Technology
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (C)
• 财政年份: 1999
• 资助国家: 日本
• 起止时间: 1999 至 2001
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-11650754/
• 关键词: Chromium plating; Ni-Sn alloy; Sn-Zn ally film; cadmium plating; laser irradiation; furnace heating; hard coating; anti-corrosive film; Ni-Sn合金皮膜; すず-ニッケル合金; すず-ニッケル合金皮膜; 多層膜; 合金電析; 金属間化合物; クロムフリー; 硬質めっき質; すずめっき; ニッケルめっき; すず-ニッケル合金めっき

Chromium and cadmium is very harmful for our environment. Therefore, their uses will be restricted strictly in the twenty first century. Chromium plating has shown it's high performances for hardness, corrosion resistance, and fanciness. On the other hand, cadmium plating has been often used due to it7s high corrosion resistance. However, both of them will be used restrictively due to the low environmental friendliness. Therefore, the establishment of their substitutes are required urgently. We focused on nickel-tin system as substitute for chromium and succeeded in making intermetallic compound films between tin and nickel by heating the stacked single films of tin and nickel where each layer had 10 micrometer thickness.When we changed the heating process from usual furnace heating to laser irradiation, the formation time required for making the alloy films was reduced drastically. We applied this process to tin-zinc system as substitute for cadmium plating and also succeeded in making the alloying film. XRD and SEM-EDX results suggest that alloying of tin and zinc occurred through heating process. When the heating process was changed from usual furnace heating to LASER irradiation, the process time require^ for the alloying was reduced drastically.

铬和镉对我们的环境非常有害。因此，在21世纪，它们的使用将受到严格限制。镀铬具有很高的硬度、耐蚀性和美观性。另一方面，镀镉由于其高耐腐蚀性而经常被使用。然而，由于环境友好性低，这两种方法的使用将受到限制。因此，迫切需要建立其替代品。本研究以镍-锡系作为铬的替代物，通过对厚度为10 μ m的锡和镍的单层膜进行加热，成功地制备出了锡和镍的金属间化合物膜。将加热方式从通常的炉加热改为激光照射，可以大幅缩短合金膜的形成时间。我们将此工艺应用于锡锌体系中，代替镀镉，并成功地制得了合金膜。XRD和SEM-EDX结果表明，锡和锌的合金化发生在加热过程中。当加热过程从通常的炉加热改变为激光照射时，合金化所需的处理时间显著减少。

项目成果

Hideyuki Kanematsu: "Alloying Behavior of Tin-Zinc From Stacked Single Layers"Proceedings of AESF Sur/Fin 2002 Annual International Technical Conference. (in print).

Hideyuki Kanematsu：“堆叠单层锡锌的合金化行为”AESF Sur/Fin 2002 年国际技术会议论文集。

Hideyuki Kanematsu: "Thermal Alloying of Tin/Nickel Films as Substitutes for Chromium Plating"Proceedings of AESF Sur/Fin 2002 Annual International Technical Conference. 75-80 (2000)

Hideyuki Kanematsu：“锡/镍薄膜的热合金化作为镀铬的替代品”AESF Sur/Fin 2002 年国际技术会议论文集。

Hideyuki Kanematsu: "Thermal Alloying of Tin/Nickel Films as Substitutes for Chromium Plating"Proceeding of AESF Sur/Fin 2000 Annual International Technical Conference. HRSUVW. 75-80 (2000)

Hideyuki Kanematsu：“锡/镍薄膜的热合金化作为镀铬的替代品”AESF Sur/Fin 2000 年国际技术会议论文集。

Hideyuki Kanematsu: "Proceeding of AESF Sur/Fin 2000 Annual International Technical Conference"Alloying Behavior of Tin-Zinc From Stacked Single Layers. (in print).

Hideyuki Kanematsu：“AESF Sur/Fin 2000 年国际技术会议论文集”单层堆叠锡锌的合金化行为。

Hideyuki Kanematsu: "Alloying of Tin-Nickel From Surface Multi-layers By a Thermal Process"The Journal of the Surface Finishing Society of Japan. Vol.51. 1170-1172 (2000)

Hideyuki Kanematsu：“通过热处理从表面多层中形成锡镍合金”日本表面精加工学会杂志。