模具制造中化学腐蚀工艺的应用

在锌合金模具制造过程中有些冲裁模需要用化学腐蚀来保证间隙。对锌合金的卸料板,凹模也可以用化学腐蚀保证间隙及凹模的宝刀。当然在常规模具制造中也常用化学腐蚀作为工艺中的一种手段。

降低8mm铝波导组件损耗的工艺方法

针对 8 mm铝波导组件损耗大的问题 ,分析出内表面粗糙度较差的主要原因 。

可改善光谱范围的红外探测器列阵

本发明提供一种可扩大光谱范围的红外探测器．该探测器有两个衬底，第一个衬底由磷化铟制成，它上面有一层砷镓铟膜层．第二个衬底由硅制成，它有一个读出集成电路，该读出集成电路与上述第一层膜层在电学上是耦联的．在砷镓铟材料形成之后，用机械技术或化学腐蚀工艺将第一个衬底大大减薄，便可以使该红外探测器的光谱范围超过常规红外探测器的光谱范围．

热处理后齿轮花键孔的变形及解决措施

在齿轮生产中,热处理质量对于齿轮精度影响很大。当零件锻造流线不对称,形状复杂,厚薄悬殊,经热处理《渗碳处理》后,使内孔缩小或涨大。微小的变形都会使齿轮的工作质量显著下降,产生噪声和齿面上载荷等缺陷。因此,热处理成为齿轮生产中的关键问题。

民用灯具

有镂刻花窗的玻璃灯[专利]摩清福／／CN1485567A。本发明公开了带镂刻花窗的玻璃灯具，利用激光技术、化学腐蚀工艺及机械压制等现代化高科技的制造技术工艺，产业化制造出带镂刻花窗的玻璃灯具。包括有灯罩、灯座、和灯饰。可以整体组成玻璃灯具，也可以选用上述带镂刻花窗的灯罩、灯座、灯饰安装在普通的灯具上。采用本发明带镂刻花窗的玻璃灯具，使灯光绚丽多姿。产生强烈的立体图案感，

英雄1997型、英雄1000型香港回归纪念金笔

英雄1997型和1000型香港回归纪念金笔是英雄股份有限公司为迎接香港回归而特意设计的.日前该公司董事长赵松生将一支笔套镶嵌“1997香港回归纪念”金字的英雄1997型纪念金笔赠给了中华人民共和国香港特别行政区首位行政长官董建华.英雄1997型金笔由于它限号、编号、绝版发售,在香港形成了广泛的收藏热.1997型金笔造型设计新颖,结构合理,集英雄股份公司60余年制笔技术之精华,采用中国传统点螺全周包复工艺,将薄如蝉衣的蟠龙图案的点螺片镶嵌于笔上,耀眼夺目,巧夺天工,使整支笔庄重、华贵、高雅,是一支高档工艺品金笔。

FEM analyses for influences of stress-chemical solution on THM coupling in dual-porosity rock mass

The models of stress corrosion, pressure solution and flee-face dissolution/precipitation were introduced. Taking a hypothetical nuclear waste repository in an unsaturated dual-porosity rock mass as the calculation objective, four cases were designed 1） the fracture aperture is a function of stress corrosion, pressure solution and free-face dissolution/precipitation; 2） the fracture aperture changes with stress corrosion and pressure solution; 3） the fracture aperture changes with pressure solution and free-face dissolution/precipitation; 4） the fracture aperture is only a function of pressure solution, and the matrix porosity is also a function of stress in these four cases. Then, the corresponding two-dimensional FEM analyses for the coupled thermo-hydro-mechanical processes were carried out. The results show that the effects of stress corrosion are more prominent than those of pressure solution and free-face dissolution/precipitation, and the fracture aperture and relevant permeability caused by the stress corrosion arc only about 1/5 and 1/1000 of the corresponding values created by the pressure solution and free-face dissolution/precipitation, respectively Under the action of temperature field from released heat, the negative pore and fracture pressures in the computation domain rise continuously, and are inversely proportional to the sealing of fracture aperture. The vector fields of flow velocity of fracture water in the cases with and without considering stress corrosion are obviously different. The differences between the magnitudes and distributions of stresses within the rock mass are very small in all cases.

电解电容器负极箔用铝——铝合金箔

铝箔是生产电解电容器负极箔的原材料，国内国外负极箔的生产方法主要有两种：一种是电化学腐蚀工艺，所用的铝箔为纯铝系箔材；另一种是化学腐蚀工艺，所用的铝箔为合金箔。本发明的目的在于提供一种综合铝—锰合金和铝—铜合金箔，它是含有铜、锰的合金箔，合金中以铜为主，以锰为辅。用该专利制得的电解电容器负极箔比容高，强度适当，韧性好，减落小，且表面光亮无粉。