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For different kinds of machinable ceramics, there are different machinability mechanisms, mainly including the following: machinable ceramics with lower elastic modulus; weak interphase interfacial peeling caused by thermal mismatch in multiphase ceramics; Mn+lAXn , the processability of such compounds, etc. The needle-like or flake-like mica crystals with large aspect ratio are uniformly precipitated from the glass phase to form a staggered layered structure. During machining, multiple micro-cracks are generated around the grains in contact with the cutting edge of the tool, and the cracks are bifurcated and bridged, resulting in the spalling of the matrix grains. Through research, Padture et al. pointed out that the weak interface, long grains and Read more

Zirconia ceramic performance: Pure ZrO2 is white, yellow or gray when it contains impurities, and generally contains HfO2. It is not easy to separate. Next, Pintejin Ceramics will introduce the grinding method of zirconia ceramics.   The flatness of zirconia ceramics that can be directly fired is very good, so many post-film integrated circuits, refrigerators and ozone generators are processed by zirconia ceramics, which can be said to be made of this ceramic material. The product has advantages over other materials.   The most common knives in daily life are the knives made of zirconia ceramics. They are not only stronger, they will not rust after a period of use, Read more

With the continuous development and progress of science and technology, alumina ceramic parts with superior performance have been widely used in various fields, then Pintejin Ceramics will introduce the sintering method of alumina ceramic parts to you. Sintering method of alumina ceramic parts 1. Activated hot pressing sintering Activation sintering is a relatively traditional sintering method, and activation hot pressing sintering is a new process developed on this basis.If alumina ceramic manufacturers use this method to sinter alumina ceramic parts, the reactants will have a relatively high energy activation state when a decomposition reaction or phase transition occurs.At this time, hot pressing can be used to obtain high-density alumina ceramic Read more

In recent years, industrial ceramic rods have been widely used, because they are high temperature resistant ceramics and have many advantages, they have been used in electronic appliances, aerospace, medical equipment and other industries, but different materials have different specifications and different technical requirements. The prices of different ceramic rods are different. Below, Pintejin Ceramics Factory will analyze which factors will affect the price? The first is the cost of raw materials. The concept of environmental protection has gradually taken root in the hearts of the people, and equipment with high efficiency and low pollution is increasingly welcomed by consumers. However, the raw materials used in this environmentally friendly ceramic Read more

Industrial ceramic rods have been widely used now, and are involved in military, aerospace, industry, etc., mainly zirconia ceramic rods and alumina ceramic rods, so what are the advantages of each of them? Pintejin Ceramics Factory will explain it to you. The high temperature resistance of alumina ceramic rods can reach more than 1700 degrees, and it has good conductivity, mechanical strength and surface high temperature. Alumina ceramic rods are widely used in various fields such as electronic, electrical and mechanical accessories. Zirconia ceramic rods have better grinding performance and high hardness, high compressive strength and high density of more than 6.0. The biggest advantage of zirconia ceramics is that Read more

Ceramic valves are usually produced and processed using industrial alumina and zirconia ceramic materials, and their properties are often used in harsh conditions. Ceramic valves are installed on heavy process pipelines, and the working conditions are complex. Once a problem occurs, it is often helpless because of its heavy weight and difficult to pinpoint. It also involves system commissioning, system integrity, adjustment quality, environmental pollution and other issues. Therefore, the rational use of ceramic valves to maintain them to the maximum extent and prolong their service life is the primary problem of using ceramic valves. The following five methods for prolonging the life of ceramic control valves are provided by Read more

The above introduces a method of chemical stabilization of zirconia ceramics to avoid internal crystal phase transformation. Next, Pintejin Ceramics will continue to explain another physical stabilization method. Physical Stabilization When the tetragonal crystal phase of ZrO2 particles transforms to monoclinic phase, and is partially or completely cut off by the surrounding matrix phase, the physical stabilization effect is obtained. The mechanically stable and compact structure formed by the matrix almost completely suppressed the volume expansion of ZrO2 crystals, so the tetragonal phase maintained a metastable state. When PSZ contains tetragonal crystal phase, it is considered as toughening ZrO2. Tetragonal ZrO2 ginseng crystals can be prepared by sintering ZrO2 fines Read more

What are the properties of alumina ceramics? Alumina ceramics are often used in industrial industries. Pintejin Ceramics Factory is a manufacturer of ceramic parts. Today, I will explain the performance characteristics of this ceramic. alumina ceramic is a material with alumina as the main body, which is used in thick film integrated circuits. Now it belongs to a wide range of ceramics. Due to its superior performance, it has been widely used in society today, and it can meet the needs of daily use and special properties. It has the properties of good conductivity, mechanical strength and high temperature resistance, while the material of alumina ceramics has good insulation, is Read more

Generally speaking, structural ceramics refer to the ceramics used in the manufacture of mechanical equipment and machining tools in various industrial sectors. What are the commonly used ceramic materials in structural ceramics? Next, Pintejin ceramics will introduce to you.   1. Zirconia ceramics Zirconia ceramics are white, yellow or gray when containing impurities, generally containing HfO2. It is not easy to separate. There are three crystalline states of pure ZrO2 under normal pressure.   The production of zirconia ceramics requires the preparation of powders with high purity, good dispersion properties, ultra-fine particles and narrow particle size distribution. Zirconia ceramics have high toughness, high flexural strength and high wear resistance, excellent Read more

Due to the high hardness, brittleness and low thermal conductivity of ceramic materials, it is a kind of difficult-to-machine material, so ceramic precision cutting has appeared. The following is introduced by Pintejin Ceramics. Difficulties in cutting zirconia ceramic precision cutting knife ceramic precision ceramics: Ceramics have high hardness, such as alumina ceramics, titanium carbide ceramics, the hardness can reach HV2250-3000, higher than cemented carbide, second only to diamond and cubic Boron nitride has high wear resistance, and in the process of precision ceramic cutting, the precision and roughness of the ceramic surface to be cut have certain requirements, which cannot be processed by ordinary machining methods. What is the machine Read more