What is it?
Black oxide is a conversion coating formed by a chemical reaction produced when parts are immersed in the alkaline aqueous salt solution operated at approximately 285 degrees F. The reaction between the iron of the ferrous alloy and the hot oxide bath produces a magnitite (Fe3 O4) on the actual surface of the part. It is possible to oxidize non-ferrous metals under suitable conditions to form black oxides. It is possible to apply black oxide at room temperature, however it is not possible to achieve all of the benefits available from the “hot” oxide process to creat a black knife set. The cold black oxide process routinely shows color variation from part to part and the black material frequently rubs off in your hands. The cold process does not meet military or automotive specifications. Therefore the remainder of this article addresses the “hot” black oxide process.
How to protect it?
Just like stainless, carbon steel is an alloy of iron, carbon, and a few other elements. Carbon steel kitchen knives are more prone to oxidation than stainless steel pieces. Most of us are familiar with oxidation in the form of rust, which carbon steel is particularly prone to if it isn’t kept dry and clean, but carbon steel is also susceptible to another type of oxidation that doesn’t affect stainless steel.
What is the advantages of it?
✦No hydrogen embrittlement: The black oxide process does not require an acid activation nor is it an electro-process; therefore, hydrogen embrittlement is not a factor. If the parts are scaled or rusty and an acid pickle is required, any hydrogen that may have evolved will quickly dissipate in the black oxide tank (running temp. 285 degrees F). Any remaining hydrogen will be completely dissipated within 48 hours after processing.
✦No white corrosion: The finished part does not have a “white-corrosion” state as some electro-plated parts exhibit over time. This makes black oxide an excellent finish for parts used internally on electronic components to become a basic kitchen knife. The small white corrosive flecks are conductive and may cause an electrical short.
✦Weldable: Welding black oxided parts does not produce noxious fumes nor hamper the ease with which a part can be welded as may be encountered by welding plated or painted parts.
WHY CHOOSE YIERCITY
● We have a huge selection of authentic professional knife sets.
● Excellent customer service before and after sales.
● Return guarantee on all products.
● Free shipping and tax/custom clearance service.
● Made of premium high-quality materials to ensure safety and durability.
●Continuously optimize the manufacturing process and design style, and pursue product innovation.
● We listen to our customer’s needs and adopt their feedback.
We are an official basic knife vendor who are verified on the knife forum with lots of third party five star reviews…and not one negative review to date.
In Japan, it was the traditional material for making samurai swords, and then later, kitchen knives.
Preparing food with a knife made of carbon steel links you to this 1300-year-old history.We have all seen a black finish on blades before.
It has become more and more popular over recent years from everything to a quality knife, to titanium dive knives.
One of the major reasons being it looks damn cool.
(From a practical perspective, it also adds a protective layer to prevent rust and damage).However, believe it or not it is quite simple to achieve a patina black finish yourself with a bit of simple DIY.So, if you have some carbon steel black knives in your collection, you’ll enjoy this handy little tutorial.The black patina steel finish is a thin black color coating the evenly stretches across the entire surface of the blade.Traditionally this would be achieved via a process of color plating under heat treatment, however you or I obviously do not have the skills or tools for such techniques.We can use the oxidation function of apple cider vinegar to perform such a process of blackening the surface of the nice black knife.Introduce a good knife.YIER Knife SetMaterial: X50Cr15 Superior high-Carbon stainless steelHigh quality forged blades, which are made of German stainless steel, W-Nr.
1.4116.It contains 0.45 to 0.55% carbon, 14 to 15% chromium, 0.5 to 0.8% molybdenum and 0.1 to 0.2% vanadium.The purpose of the molybdenum alloy is to increase the resistance to pitting of the material.Transparent acrylic knife holder.
The Global PVC Window Profile Market Research Report - Industry Analysis, Size, Share, Growth, Trends and Forecast Till 2026 gives an evaluation of the market developments based on historical studies and comprehensive research respectively.
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The Global Polyvinyl Alcohol Fibers Market Research Report - Industry Analysis, Size, Share, Growth, Trends and Forecast Till 2026 gives an evaluation of the market developments based on historical studies and comprehensive research respectively.
The market segments are also provided with an in-depth outlook of the competitive landscape and a listing of the profiled key players.The comprehensive value chain analysis of the market will assist in attaining better product differentiation, along with detailed understanding of the core competency of each activity involved.
The market attractiveness analysis provided in the report aptly measures the potential value of the market providing business strategists with the latest growth opportunities.The report classifies the market into different segments based on product type and application.
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According to a research report "Cognitive Assessment and Training Market by Assessment Type (Pen- and Paper-Based, Hosted, Biometrics), Component, Application (Clinical Trial, Screening & Diagnostics, Brain Training, Academic Research), Vertical, and Region - Global Forecast to 2021", published by MarketsandMarkets, the cognitive assessment and training market size is expected to grow from USD 1.98 Billion in 2016 to USD 8.06 Billion by 2021, at a Compound Annual Growth Rate (CAGR) of 32.3%.Browse 63 market data tables and 47 figures spread through 150 pages and in-depth TOC on "Cognitive Assessment and Training Market - Global Forecast to 2021"The major forces driving this market are aging global population, increasing awareness about brain fitness, and advancements in technology.
The growing market for cognitive solutions and increasing demand for brain training by next-generation tech-savvy population are contributing to the growth of the cognitive assessment and training market.Download PDF Brochure: https://www.marketsandmarkets.com/pdfdownloadNew.asp?id=1039Clinical trials in terms of application is expected to hold the largest market share in the cognitive assessment and training market during the forecast periodClinical trials are mainly used to identify, measure, or monitor cognitive impairments and cognitive changes.
The assessment of cognitive functions is an integral part of decision-making during clinical drug development, as certain drugs can have an impact on the cognitive capabilities of the brain.
The market is expected to contribute the highest revenue for vendors offering clinical trials.Education vertical is expected to grow at the highest CAGR in the marketCognitive assessment solutions and services are used in the education vertical for screening prospective candidates for schools or colleges.
The leading cognitive assessment and training vendors for this vertical are Pearson Assessment and CogniFit.North America is expected to contribute to the largest market share and Asia-Pacific to grow at the highest CAGRNorth America is expected to hold the largest market share and to dominate the cognitive assessment and training market from 2016 to 2021, due to the increasing awareness among population about adopting medication for cognitive diseases.
The new generation in this region is more concerned toward the benefits of cognitive training, which is not just limited to patients with cognitive dysfunctions.
The new report on the Cutlery market provides estimations of the size of the global market and share and size of key regional markets during the historical period of 2015 – 2019.
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The key regions comprise the following geographical segments:North America (U.S., Canada)Latin America (Brazil, Mexico, Argentina, Rest of Latin America)Europe (Germany, Italy, France, U.K., Spain, Benelux, Russia, Rest of Europe)East Asia (China, Japan, South Korea)JapanAPEJ (China, India, Indonesia, Thailand, Singapore, Australia & New Zealand, Rest of Asia Pacific)South Asia & Oceania (India, Thailand, Indonesia, Malaysia, Australia & New Zealand, Rest of South Asia & Oceania)Middle East & Africa (GCC Countries, Turkey, Northern Africa, South Africa, Rest of Middle East & Africa)The detailed assessments focus on, inter alia, on the regulatory and macroeconomic frameworks, prevailing pricing structure, imminent investment pockets, and emerging application areas.
Taking the analysis further, the study helps readers get a better understanding of the trends characteristics of the emerging markets, including government regulations crucial to growth of such markets.
