Establishment of Three-Dimensional Reactive-Freeform Processing for Auminide Intermetallics

铝化物金属间化合物三维反应自由成形工艺的建立

• 批准号: 14205108
• 负责人: MIYAMOTO Yoshinari
• 金额: $ 30.37万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (A)
• 财政年份: 2002
• 资助国家: 日本
• 起止时间: 2002 至 2004
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-14205108/
• 关键词: Aluminides; Intermetallics; Freeform fabrication; Combustion synthesis; Reactive coating; Rapid prototyping; NiAl; Ti; TlG溶接; 遠隔生産; 遠隔製造; 合成同時造形

The objective of this research is to develop new three-dimensional micro-welding methods being enable to freeform aluminide intermetallics, refractory metals and alloys which are superior in heat, corrosion and wear resistances, but difficult in manufacturing and machining. We aim to establish the remote fabrication process by combining 3DMW and IT technology in future. The obtained results are summarized as follows.1.3D micro-welding which can freeform dense aluminide intermetallics and other refractory metal objects has been first developed in the world.2.It is a CAD/CAM system to form molten micro metal beads by discharging arc to the tip of a thin metal wire with around 200μm in diameter and build up three dimensionally. We have succeeded in formation of Ti, Ni, Ta, TiNi, inconel beads, and their simple 3D objects. The morphology, composition, and microstructure of beads were also investigated.3.It was demonstrated to synthesize and simultaneously freeform intermetallics such as NiAl and TiNi by providing two different wires alternately in 3DMW system.4.We added a function of metal nitride layer formation to 3DMW by producing a micro molten pool at the surface of a metal substrate and blowing nitrogen gas. Furthermore, by moving a discharging electrode and providing a thin aluminum wire to the small molten pool, the aluminide coating was prepared on the metal surface. By these methods, TiN coating on Ti and TiAl, and NbN on Nb were performed. The NbAl_3 layer was formed on Nb as well. These coatings showed remarkable improvements in hardness, wear and oxidation resistances.We could establish the basic technology of freeforming and coating of heat, wear, corrosion resistant objects by this research.

本研究的目的是开发新的三维微焊接方法，使其能够自由成形耐热、耐蚀、耐磨但制造和加工困难的铝化物金属间化合物、难熔金属和合金。我们的目标是在未来建立3DMW和IT技术相结合的远程制造工艺。主要研究成果如下：1.在世界上首次开发了可自由成形致密铝化物金属间化合物等难熔金属的三维微细焊接技术。2.在直径约200μm的细丝顶端放弧形成熔融的微细金属珠，形成三维立体结构的计算机辅助设计/计算机辅助制造系统。我们已经成功地形成了钛、镍、钽、钛镍、镍钛合金微珠及其简单的三维物体。通过在3DMW系统中交替提供两种不同的金属丝，实现了NiAl和TiNi等自由形态金属间化合物的同时合成。4.通过在金属基片表面形成微熔池和吹氮气，在3DMW上增加了金属氮化物层的形成功能。此外，通过移动放电电极，在小熔池中提供一根细长的铝丝，在金属表面制备了铝化物涂层。用这些方法在钛和TiAl上进行了TiN涂层，在Nb上进行了NbN涂层。在Nb表面也形成了NbAl_3层。这些涂层在硬度、耐磨性和抗氧化性方面都有显著的提高，通过本研究可以建立耐热、耐磨、耐腐蚀物体的自由成形和涂层的基本工艺。

项目成果

Kiyotaka Matsuura: "Aluminide Coating on Niobium by Arc Surface Alloying"Mater.Trans.. 44・5. 861-865 (2003)

Kiyotaka Matsuura：“通过弧面合金化在铌上形成铝化物涂层”Mater.Trans.. 861-865 (2003)

Application of SHS Reaction to Freeform Fabrication of IMC-base Composite

SHS反应在IMC基复合材料自由成形中的应用

• 发表时间: 2002
• 期刊: Manufacturing Science of Advanced Composites, Proceedings of the 8^<th> India-Japan Joint Seminar
• 作者: T.Katou;寺久保 匡志;Kiyotaka Matsuura;J.H.Oh;有田 大;W.Cao;H.Arita;K.Matsuura
• 通讯作者: K.Matsuura

K.Matsuura, M.Kudoh, J.H.Oh, S.Kirihara, Y.Miyamoto: "Application of SHS Reaction to Freeform Fabrication of IMC-bace Composite"Manufacturing Science of Advanced Composites, Proceedings of the 8^<th> India-Japan Joint Seminar. 83-92 (2002)

K.Matsuura、M.Kudoh、J.H.Oh、S.Kirihara、Y.Miyamoto：“SHS 反应在 IMC-bace 复合材料自由形式制造中的应用”先进复合材料制造科学，第 8 届印度-日本会议论文集

呉長桓, 桐原聡秀, 宮本鉄生, 松浦清隆, 工藤昌行: "反応性ラピッドプロトタイピング法による金属間化合物の3次元造形"材料. 51・9. 1051-1056 (2002)

Changhuan Wu、Satoshi Kirihara、Tetsuo Miyamoto、Kiyotaka Matsuura、Masayuki Kudo：“通过反应快速原型法制备金属间化合物”材料 1051-1056 (2002)。

Study on Freeform Fabrication of Nickel Based Alloy by Three Dimensional Micro-Welding

三维微焊接自由成形镍基合金研究

• 发表时间: 2004
• 期刊: FGM2003, Proceedings of the 15th Symposium on Functionally Graded Materials
• 作者: T.Katou