passivating

简明释义

英[ˈpæsɪˌveɪtɪŋ]美[ˈpæsəˌveɪtɪŋ]

n. [化学]钝化；钝化处理；形成保护膜

v. 使钝化（passivate 的 ing 形式）

英英释义

单词用法

同义词

反义词

例句

1.The technique of producing the Dioscoreaopposita Thunb by microwave vacuum, freeze-drying, the method of keeping the color of the raw materials and passivating the enzyme were studied.

通过对微波真空冻干怀山药生产工艺的研究与实践，探索微波冻干怀山药最佳生产工艺。对山药护色、灭酶技术及怀山药的微波真空冻干关键工艺进行了研究。

2.This text attends concern of plate 9 problems about passivating of galvanizing turns to do understanding to answer. Public a few formulas about passivator.

本文就读者关心的镀锌钝化的9个问题作了解答，公开了几种钝化剂配方。

3.This is the reason that the blue white passivating film is too thin.

这是由于蓝白色钝化膜层太薄的缘故。

4.After passivating cutting edge and polishing surface can amplify cutting property and prolong operating life time of the cemented carbide cutting tools.

硬质合金刀片经过刃口钝化和表面抛光处理后，能增强切屑性能和提高使用寿命。

5.The existing methods of zinc plating blackening by black passivating, coloring, dyeing, etc. are studied, and the high resistance to corrosion of the passivator is highlighted.

综述了镀锌层黑钝化、着色、染色等黑化处理的方法，重点研究了高抗蚀的黑钝化处理。

6.The passivating layer has windows at the top of the semi-conductor extension thin film and the second metal base.

钝化层在半导体外延薄膜的上方和第二金属基座的上方具有窗口。

7.The chemicals discussed for cleaning and passivating are all water-soluble and can easily be neutralized.

用于清洁和钝化的化学试剂都是水溶性的并且易于中和。

8.Brush passivating agent on surface very 15 minutes, maintain a wet surface.

在表面上刷钝化剂15分钟，保持表面潮湿。

9.Passivating agent in test is with many characters like cost low, and Mg damage small and recycle use of passivating fluid.

实验中采用的钝化剂具有对环境污染小、成本低、活性镁损失小、钝化液可循环使用等特点。

10.The process of passivating 钝化 the metal surface helps to prevent corrosion.

对金属表面进行passivating 钝化的过程有助于防止腐蚀。

11.The passivating 钝化 treatment increased the durability of the pipeline system.

该passivating 钝化处理提高了管道系统的耐用性。

12.The technician explained that passivating 钝化 is essential for increasing the lifespan of the components.

技术员解释说，passivating 钝化对于延长部件的使用寿命至关重要。

13.We need to ensure the aluminum parts are passivating 钝化 before assembly.

我们需要确保铝部件在组装前进行passivating 钝化。

14.After passivating 钝化, the stainless steel showed improved resistance to rust.

经过passivating 钝化后，不锈钢显示出更好的抗锈能力。

作文

In the realm of materials science and engineering, the term passivating refers to a process that enhances the corrosion resistance of metals. This is particularly important in industries where metal components are exposed to harsh environments, such as construction, aerospace, and automotive sectors. The passivating process involves treating the metal surface to form a protective layer, usually through chemical reactions. This layer acts as a barrier against corrosive elements, significantly prolonging the lifespan of the materials involved.For instance, stainless steel is commonly passivating to improve its durability. When stainless steel is exposed to oxygen, it forms a thin layer of chromium oxide on its surface. This layer is what makes stainless steel resistant to rust and other forms of corrosion. However, if this layer is compromised, the underlying metal can corrode rapidly. Therefore, passivating treatments are essential to restore and maintain this protective layer.The process of passivating can vary depending on the type of metal and the desired outcome. Common methods include chemical treatments with acids or alkaline solutions, which remove free iron and other contaminants from the surface. After cleaning, a passivation solution containing chromates or nitrates is often applied. This solution helps to enhance the natural oxide layer, making it thicker and more effective at preventing corrosion.In addition to stainless steel, other metals such as aluminum and titanium also benefit from passivating. For aluminum, passivating often involves anodizing, a process that thickens the natural oxide layer and improves resistance to corrosion and wear. Similarly, titanium can be passivating to increase its resistance to oxidation and other chemical reactions, which is crucial in applications like medical implants and aerospace components.The importance of passivating extends beyond just enhancing corrosion resistance; it also plays a critical role in maintaining the aesthetic appeal of metal products. For example, in the architectural field, buildings often use stainless steel or aluminum facades that require passivating treatments to ensure they remain visually appealing over time. Without proper passivating, these surfaces may tarnish or develop unsightly stains, detracting from the overall design.Moreover, the environmental impact of passivating processes is increasingly being considered. Traditional methods often involve hazardous chemicals that can pose risks to both human health and the environment. As a result, researchers are exploring eco-friendly alternatives for passivating that minimize harmful effects while still providing effective corrosion protection.In conclusion, passivating is a vital process in materials engineering that enhances the longevity and performance of metal components. By forming a protective layer on the surface of metals, passivating not only prevents corrosion but also preserves the aesthetic quality of metal products. As industries continue to innovate and prioritize sustainability, the methods and materials used in passivating will likely evolve, leading to safer and more efficient practices in the future.

在材料科学和工程领域，术语passivating指的是一种增强金属耐腐蚀性的过程。这在金属部件暴露于恶劣环境的行业中尤为重要，例如建筑、航空航天和汽车行业。passivating过程涉及对金属表面进行处理，以形成保护层，通常通过化学反应来实现。这层保护膜充当腐蚀元素的屏障，显著延长了所涉及材料的使用寿命。例如，不锈钢通常会经过passivating处理以提高其耐用性。当不锈钢暴露于氧气时，会在其表面形成一层薄薄的氧化铬。这层膜使不锈钢具有抗锈蚀和其他形式腐蚀的能力。然而，如果这层膜受到破坏，底层金属可能会迅速腐蚀。因此，passivating处理对于恢复和维持这一保护层至关重要。passivating的过程可以根据金属类型和所需结果而有所不同。常见的方法包括使用酸或碱溶液进行化学处理，这些溶液去除表面的游离铁和其他污染物。清洁后，通常会施加含有铬酸盐或硝酸盐的钝化溶液。这种溶液有助于增强自然氧化层，使其更厚，更有效地防止腐蚀。除了不锈钢，铝和钛等其他金属也受益于passivating。对于铝，passivating通常涉及阳极氧化，这一过程加厚了自然氧化层，提高了耐腐蚀性和耐磨性。同样，钛也可以通过passivating来增加其对氧化和其他化学反应的抵抗力，这在医疗植入物和航空航天部件等应用中至关重要。passivating的重要性不仅限于增强耐腐蚀性，它还在保持金属产品的美观方面发挥着关键作用。例如，在建筑领域，建筑物通常使用不锈钢或铝外墙，这些外墙需要经过passivating处理，以确保它们随着时间的推移仍然保持视觉吸引力。如果没有适当的passivating，这些表面可能会变色或出现难看的污渍，从而削弱整体设计。此外，passivating过程的环境影响也越来越受到关注。传统方法通常涉及有害化学物质，这些物质可能对人类健康和环境构成风险。因此，研究人员正在探索环保的passivating替代方案，以尽量减少对有害效果的影响，同时仍提供有效的防腐保护。总之，passivating是材料工程中一项重要的过程，它增强了金属部件的使用寿命和性能。通过在金属表面形成保护层，passivating不仅能防止腐蚀，还能保持金属产品的美观。随着各行业继续创新并优先考虑可持续性，passivating中使用的方法和材料可能会不断演变，从而在未来实现更安全和更高效的实践。