Oxide film hardness test hard
Selection of the meter
Oxide film, also known as passivation film, is due to metal surface passivation
Produces a dense protective film with good coverage
,due to
Most passivation films are made of metal
Oxide
Composition
Oxide film
.
The oxide film plays an extremely important role in the metal material, and the oxide film is in it.
An oxide is formed on the surface to prevent further oxidation. This property can be used to prevent corrosion of metals.
. Oxide film
Used in many fields, such as semiconductors
Car, airplane, precision
instrument
In other industries, the requirements for oxide film are also relatively high. There are many items that need to be tested for oxide film. Some items are more convenient to detect, such as thickness measurement. However, hardness measurement has always been a recognized problem in the industry because the thickness of the oxide film is very thin.
The following is a complete set of solutions for oxide film hardness measurement: (oxide thickness)
≧8UM
)
HV-1BM
Oxide film
Hardness test system
Pre-processing part: cutting-inlaying-grinding
Sample cutting sample mosaic sample grinding
HV-1BM
Oxide film
Hardness test system hardness test part:
The hardness measurement system is targeted
Heat treatment, carbonization, quench hardened layer, surface
Oxide film
Cladding, steel, non-ferrous metals and small and thin parts
Hardness test.
Oxide film hardness measurement system
HV-1BM
Oxide film
Microscopic
Vickers
The hardness tester is the key equipment for hardness measurement. The machine adopts LCD display screen. Through the operation panel, the hardness of the hardness scale HV or HK test force can be selected. The brightness of the light source can be adjusted infinitely. When the D1 and D2 values ​​measured by the eyepiece can be directly input during operation, the hardness value is directly displayed on the LCD display.
HV-1BM
Oxide film
Microscopic
Vickers
Hardness tester technical parameters:
HV-1BM
Oxide film
Microscopic
Vickers
Hardness Tester
annex:
For details, please consult Shanghai Junzhun Instrument Equipment Co., Ltd.
Anti-blue Light Protective Film is a product developed based on reducing the harm of blue light to people. Compared with the emerging screen protectors on the market, in addition to anti-fingerprint, anti-scratch and other functions, the most distinctive function of anti-blue light screen protectors is blue light blocking. By absorbing and converting the blue light emitted from light sources such as mobile phones, computers, TVs, and LED lights, the anti-blue light protective film can greatly reduce the irritation of blue light to the eyes and control the deepening of myopia; in addition to preventing myopia, the anti-blue light protective film can also prevent myopia Absorption and conversion of ultraviolet rays to prevent skin dryness caused by ultraviolet reflection, resulting in skin pigmentation, chloasma and other problems.
All in all, blue light is indeed harmful to our eyes, but the Anti-blue Light Screen Protector can play a role in filtering blue light. As for the pots with visual fatigue and visual impairment, the blue light cannot be completely ignored. The best way is to try to control the time of playing with the mobile phone as much as possible. In daily life, we should learn to use our eyes reasonably and appropriately, which is the best way to prevent blue light and protect our eyesight.
Not only the use of mobile phones, but also when we use computers and watch TV for a long time, we should also use our eyes moderately, and look into the distance for a while every 20 minutes, so that our eyes can get enough rest. In addition, turning on the night mode on mobile phones and computers is also a feasible preventive plan.
Anti-Blue Light Screen Protector,Flexible Anti-Blue Light Film,Anti-Glare Blue Light Filter Screen Protector,Eye Protection Hydrogel Screen Protector
Shenzhen TUOLI Electronic Technology Co., Ltd. , https://www.szhydrogelprotector.com