Black oxide - Wikipedia
网页Black oxide or blackening is a conversion coating for ferrous materials, stainless steel, copper and copper based alloys, zinc, powdered metals, and silver solder. [1] It is used to add mild corrosion resistance, for appearance, and to minimize light reflection. [2]
黑色氧化处理 - 百度百科
网页黑色氧化处理是化学表面处理的一种常用手段，原理是使金属表面产生一层氧化膜，以隔绝空气，达到防锈目的。. 外观 要求不高时可以采用发黑处理，钢制件的表面发黑处理，也有被称之为发蓝的。. 黑色氧化处理因其可以消除反光，是指一种军用刀具普遍 ...
Black Oxide Coating - How It Works, Benefits & Types - Fractory
网页2023年11月7日 · The black oxide coating or blackening process is a chemical reaction in which the outer surface of a metal reacts to chemical solutions and therefore undergoes transformation. The process is divided into three main types: Hot black oxide process. Mid-temperature black oxide process. Cold black oxide process.
Black Oxide 101: What You Need To Know - Xometry
网页2024年3月15日 · Black oxide, also known as blackening, is a type of chemical-conversion coating by deliberate and controlled oxidation, applied to ferrous metals for corrosion resistance and aesthetic appeal. It is often coupled with an oil …
What is Black Oxide?
网页The result of this chemical reaction is the formation of black iron oxide, magnetite (Fe3O4), on the surface of the metal being coated. Black oxide has a range of unique properties and benefits that can be applied to a variety of industries.
金属放进去就变黑，发黑工艺是什么“黑科技”？ - 知乎
网页发黑处理（氧化） 经过除油，酸洗后干净的工件就可以进行发黑处理了。 发黑时的溶液温度在130℃左右，发蓝的温度在550℃，还要通过不同工件材料来控制浸入的时间。
What is Black Oxide Coating? Everything You Need to Know
网页2023年1月31日 · Black oxide coating (also known as magnetite or Fe 3 O 4) comes in various forms and names. You can call it blackening or black passivating or even gun bluing. Adding a black oxide coating means using a chemical conversion process to form a coating of black iron oxide on the surface of any ferrous metal.
Black Oxide Finish: An Extensive Guide for Precision Machined Parts
网页2021年9月1日 · What is Black Oxide? Black oxide is one conversion coating type that offers metal parts with an improved matte black appearance. A conversion coating describes a process that occurs through an electrochemical or chemical treatment of the surface in question.
Black Oxide Coating: Process, Types, and Applications
网页2024年8月2日 · Black oxide coating is a type of chemical conversion coating specifically applied to enhance the corrosion resistance and appearance of ferrous metals. The process is adapted and optimized to meet modern industry standards and requirements for corrosion resistance, aesthetics and functionality.
Black Oxide Coating: A Comprehensive Guide - unionfab.com
网页4 天之前 · Black oxide coating is a process that gives metal surfaces a black, protective finish. This layer provides corrosion resistance, improves appearance, and reduces light reflection. Types of Black Oxide. Hot Black Oxide: Best for industrial and mechanical parts, offering high durability and resistance.