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Macromolecular Assemblies: Human Gamma-Crystallin Protein, Glutamic Acid Bottle Brushes, And Hyaluronic Acid Gels
Pure sciences Biological sciences Macromolecular assemblies Gamma-crystallin proteins Glutamic acid Hyaluronic acid
2014/11/21
Macromolecular assemblies constitute the world in which we live. The work contained within this thesis has studied three different types of macromolecular assemblies: human γ-crystallin protein aggreg...
扩散铝涂层的制备及其gamma--TiAl基体的防护
铝涂层 gamma--TiAl 基体
2008/12/8
采用电弧离子镀在g-TiAl基体上镀铝后进行扩散处理制备出了扩散铝涂层,涂层与基体结合良好。EDX和XRD分析表明涂层由很厚的TiAl3外层和较薄的TiAl2内层构成。900oC空气中的恒温氧化试验结果显示,g-TiAl氧化后生成了疏松多层的Ti和Al氧化物的混合物,其抗高温氧化性能很差,施加扩散铝涂层后,高温下生成了一层连续致密的Al2O3膜,抗氧化性能显著提高。讨论了涂层的氧化和退化机制。