https://ir.lib.ncu.edu.tw/handle/987654321/186 Search the Channel s https://ir.lib.ncu.edu.tw/simple-search https://ir.lib.ncu.edu.tw/handle/987654321/109605 title: 高吸能、輕量化多孔抗爆鋁合金之研究開發;On the Study of High Energy-Absorbing & Lightweight Anti-Explosion Porous Al-Alloys. abstract: 前期開發之多孔鋁(316L空心球)合金，無意間發現具優異抗爆(非抗彈)能力，國防單位已列為高度可望應用於防爆材(防爆箱、防爆門等)之選項。基於此，本計畫重點，將改善前期缺失，採用自製(真空)低壓滲透法，開發『具高吸能、輕量化』之『防爆多孔鋁合金』。另800℃時，鐵在鋁中溶解度高達7%，極易被鋁所融化而形成脆性傷害相，。未來三年重點是：[見計畫內容] 。第1年以田口法及灰階理論分析((申請人已有此實績)、製備良品率大於90%、且強度遠高於前期 316L之4605（Fe2Ni0.5Mo)空心球。第2年製備高強度A357多孔鋁合金，藉噴塗（或PVD、CVD）表面陶瓷層改質空心球，避免脆性富鐵相生成，提升多孔合金良率、及強度等。第3年以複合式三明治抗爆多孔板，進行抗爆實測(中科院協助)，探討熱處理(鑄態、T6等)對多孔鋁抗爆性質之影響。另本案前期所開發之多孔鋁、鋼，強度均為文獻中蒐集最強者，且所用設備，均為申請人設計、委國內廠商自製，實驗機動性高。申請人長期從事合金(複合材)研發，對研究過程的困難點，有信心克服。 <br> Mon, 27 Jul 2026 07:28:43 GMT https://ir.lib.ncu.edu.tw/handle/987654321/109603 title: 利用接種晶粒細化及熱機處理來提升輕量富鈦中熵合金之機械性能綜效( II );Enhanced Mechanical Properties Synergy of Lightweight Ti-Rich Medium Entropy Alloy via the Combination of Inoculation Grain Refinement and Thermomechanical Treatment( II ) abstract: 中熵合金因其優異的材料性能與靈活的設計彈性，使其打破既有的合金設計框架並為往後的合金開發提供更多的選擇。然而，輕量材料需要大量使用鎂、鋁、鈦等元素，而較低的電負度易形成介金屬化合物進而導致材料的機性劣化，因此開發高性能的輕量中熵合金依舊充滿挑戰。本次研究以過去開發之具優異機械性質的富鈦中熵合金為基礎，先透過微量元素添加形成接種劑以細化合金晶粒尺寸來提升材料之機械性質，而後再利用熱機處理搭配快速退火對合金之微結構與機械性質進行進一步優化。本次研究旨在開發一具優異機械性質之輕量富鈦中熵合金以應用於未來的交通與能源產業，並分析各參數對合金之微結構與機械性質之影響以作為後續開發類似合金之參考與借鏡。 <br> Mon, 27 Jul 2026 07:28:36 GMT https://ir.lib.ncu.edu.tw/handle/987654321/104399 title: Zr-based metallic glass thin film coating for fatigue-properties improvement of 7075-T6 aluminum alloy abstract: 摘要： In order to improve the fatigue life of high strength aluminum alloy, a protection coating with 200nm Zr-based metallic glass thin film (MGTF) coupled with 50nm titanium thin film buffer layer was coated on the 7075-T6 aluminum alloy by DC sputtering. The results of four-point-bending fatigue test revealed that the fatigue life of 7075-T6 aluminum alloy with Zr-based MGTF could be improved by 30 times at a stress level of 250MPa. The improvement of Zr-based MGTF coated samples in fatigue limit was 235MPa (56.7% increase) in comparison with 150MPa for the uncoated samples. The superior mechanical properties of Zr-based MGTF, such as high strength and good bending ductility, lower surface roughness, good adhesion between the film and the substrate, and high compressive residual stress are the key factors to improve the fatigue resistance of the coated aluminum alloy. •Metallic glass thin film (MGTF) coatings sputtered on high strength aluminum alloy.•30-Time improvement of fatigue life of MGTF-coated samples at 250MPa.•Fatigue limit of MGTF-coated samples is 56% higher than the bare one.•Lower surface roughness plays an important role to improve fatigue life.•Compressive residue stress is the key to restrict fatigue cracks. 出版者： Amsterdam: Elsevier B.V 出版日期： 2013-10-01 出處： Thin solid films, 2013-10, Vol.544, p.331-334 版權： 2013 Elsevier B.V. 版權： 2014 INIST-CNRS 識別號： ISSN: 0040-6090 識別號： EISSN: 1879-2731 識別號： DOI: 10.1016/j.tsf.2013.02.104 識別號： CODEN: THSFAP <br> Thu, 23 Apr 2026 03:49:29 GMT https://ir.lib.ncu.edu.tw/handle/987654321/104395 title: Zr-based metallic glass thin film coating for fatigue-properties improvement of 7075-T6 aluminum alloy abstract: 摘要： In order to improve the fatigue life of high strength aluminum alloy, a protection coating with 200nm Zr-based metallic glass thin film (MGTF) coupled with 50nm titanium thin film buffer layer was coated on the 7075-T6 aluminum alloy by DC sputtering. The results of four-point-bending fatigue test revealed that the fatigue life of 7075-T6 aluminum alloy with Zr-based MGTF could be improved by 30 times at a stress level of 250MPa. The improvement of Zr-based MGTF coated samples in fatigue limit was 235MPa (56.7% increase) in comparison with 150MPa for the uncoated samples. The superior mechanical properties of Zr-based MGTF, such as high strength and good bending ductility, lower surface roughness, good adhesion between the film and the substrate, and high compressive residual stress are the key factors to improve the fatigue resistance of the coated aluminum alloy. •Metallic glass thin film (MGTF) coatings sputtered on high strength aluminum alloy.•30-Time improvement of fatigue life of MGTF-coated samples at 250MPa.•Fatigue limit of MGTF-coated samples is 56% higher than the bare one.•Lower surface roughness plays an important role to improve fatigue life.•Compressive residue stress is the key to restrict fatigue cracks. 出版者： Amsterdam: Elsevier B.V 出版日期： 2013-10-01 出處： Thin solid films, 2013-10, Vol.544, p.331-334 版權： 2013 Elsevier B.V. 版權： 2014 INIST-CNRS 識別號： ISSN: 0040-6090 識別號： EISSN: 1879-2731 識別號： DOI: 10.1016/j.tsf.2013.02.104 識別號： CODEN: THSFAP <br> Thu, 23 Apr 2026 03:49:24 GMT