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June 2022

6 Differences Between Quartz Ceramic Crucibles and Ceramic Porcelain Crucibles

By |2022-06-20T13:20:28+00:00June 20th, 2022|Uncategorized|

Crucible is a vessel for melting and refining liquid metals and heating solid-liquid reactions, and it is the basis for smooth chemical reactions. To meet different needs, there are many different crucibles to choose from, among which the most widely used is ceramic crucible. Ceramic crucible can be divided into quartz ceramic crucible, the physicochemical [...]

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May 2022

What does a ceramic crucible look like in a high-temperature electric furnace?

By |2022-05-09T13:15:13+00:00May 9th, 2022|Uncategorized|

The selection of experimental crucibles generally requires different types of crucibles depending on the material and the temperature. Crucibles are mostly divided into crucibles can be divided into three main categories: graphite crucibles, clay crucibles, and metal crucibles. Experimental electric furnaces use high-purity corundum crucibles, quartz crucibles, and quartz crucibles with zirconium. What does [...]

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April 2022

5 Tips To Extending the Lifespan of High Purity Alumina Crucibles

By |2022-04-29T07:18:36+00:00April 29th, 2022|Uncategorized|

Alumina crucibles, also call corundum crucibles, usually refer to crucibles with more than 95% alumina content. They are widely used because of the good high-temperature insulation, mechanical strength, high thermal conductivity, and low thermal expansion. To better extend the service life of the alumina ceramic crucible, do you know what are the precautions? 1. Do [...]

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Sample dosage tips for thermal analysis

By |2022-04-25T07:03:44+00:00April 25th, 2022|Uncategorized|

This article briefly introduces tips on sample dosage for thermal analysis techniques such as thermogravimetry, differential thermal analysis, differential scanning calorimetry, thermogravimetric-differential thermal analysis, and thermogravimetric-differential scanning calorimetry, which are commonly used in thermal analysis. When preparing an experiment, one of the primary parameters is the amount of sample, and how to choose the right [...]

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Considerations when using platinum crucibles

By |2022-04-17T12:33:24+00:00April 17th, 2022|Uncategorized|

In general, choosing the right crucible can help ensure better results. The type of crucible used for measurement can have a significant impact on the quality of the results obtained and on the important characteristics of the TGA and DSC signals. Do you know what are the precautions when using it? 1. The melting point [...]

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How to choose an excellent alumina crucible for thermal analysis?

By |2022-04-06T13:46:35+00:00April 6th, 2022|Uncategorized|

An excellent alumina crucible has good thermal conductivity, high mechanical strength, high-temperature resistance, corrosion resistance, scouring resistance, chemical stability, and thermal shock resistance. High-temperature resistance. The crucible can be used at temperatures up to 1750℃. Reusable. After the test is finished, the used crucible can be washed with water or washed with 10% hydrochloric acid [...]

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March 2022

Thermal Conductivity Measurement of Soft Materials

By |2022-03-27T13:29:43+00:00March 27th, 2022|Uncategorized|

Thermal management, including heat transfer, dispersion, storage, and conversion, has a specific concept in the electronics, battery, and automotive industries. Among these, thermal management materials play an important role as they work in concert with other control units to ensure that the working system operates properly at the appropriate temperature. Along with technological developments in [...]

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Classification and application of common alumina ceramic tubes

By |2022-03-17T15:42:17+00:00March 17th, 2022|Uncategorized|

The common alumina ceramic tubes on the market can be classified according to the alumina content; 75% alumina tubes, 85% alumina tubes, 95% alumina tubes and 99% alumina tubes. 75% and 85% alumina tubes are also called high alumina tubes, 95% and 99% alumina tubes are called corundum tubes. 75% alumina tubes is usually said [...]

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Classification of alumina ceramic screws

By |2022-03-06T12:22:37+00:00March 6th, 2022|Uncategorized|

Ceramic screws are a kind of special ceramic product prepared by zirconia, alumina, silicon nitride, and other ceramic powders, which are widely used as alumina ceramic screws and zirconia ceramic screws, among which alumina ceramic screws are divided into 99% alumina ceramic screws and 95% alumina ceramic screws. Alumina ceramic screws can be divided into [...]

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January 2022

Application of ceramic screws

By |2022-01-19T13:30:16+00:00January 19th, 2022|Uncategorized|

Ceramic screws have excellent characteristics such as high temperature resistance, insulation, non-magnetic, corrosion resistance, environmental protection, beautiful, never rust, etc., not only can be comparable with traditional plastic screws, metal screws, and in recent years, the performance of ceramic screws have been improved, and the application areas are becoming broader and broader, in some areas [...]

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December 2021

Introduction of Ceramic Screws

By |2021-12-21T12:33:38+00:00December 21st, 2021|Uncategorized|

Ceramic screw is a kind of special ceramic products prepared by zirconia, alumina, silicon nitride and other ceramic powders, it is known that special ceramics have stable physical and chemical properties, physical properties are mainly in high temperature resistance, light weight, insulation, high hardness, strength, wear resistance, etc., chemical properties are mainly surface in acid [...]

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November 2021

What is the finishing process of alumina ceramics?

By |2021-11-17T01:52:29+00:00November 17th, 2021|Uncategorized|

Now on the market, alumina ceramic material is not rare, this material applied to the chemical properties of alumina, but not the combination of alumina and ceramic, this alumina ceramic material with other different materials of the same pass, thermal conductivity and ductility have a great advantage. So what is the finishing process of alumina [...]

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October 2021

Properties of ceramic screws

By |2021-10-25T13:55:31+00:00October 25th, 2021|Uncategorized|

Ceramic screws are a kind of special ceramic product prepared by zirconia, alumina, silicon nitride, and other ceramic powders, so do you know what physical and chemical properties ceramic screw have? Physical properties (1)High and low-temperature characteristics Ceramic screws in a high-temperature environment (800 degrees Celsius) do not deformation, ductility, will not reduce the strength [...]

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Do you know the characteristics of alumina ceramics?

By |2021-10-14T11:51:24+00:00October 14th, 2021|Uncategorized|

Alumina is also a widely used ceramics because of the superior performance of alumina ceramics, the application in modern society has become more and more widespread this article is mainly for alumina ceramic characteristics to do the detailed introduction. Alumina ceramic characteristics. 1. Hardness Alumina Rockwell hardness of HRA80-90, hardness is second only to diamond, [...]

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September 2021

Analysis of the calcination process of clay bricks with NETZSCH instruments

By |2021-09-30T01:06:13+00:00September 30th, 2021|Uncategorized|

Clay bricks, also called sintered bricks, are small man-made blocks for construction. Clay bricks are made of clay as the main raw material, treated with clay, shaped, dried and roasted, and are available as solid and hollow. Solid bricks and porous bricks are mostly used in load-bearing structure walls, and hollow bricks are mostly used [...]

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Do you know what are the excellent characteristics of alumina ceramic materials?

By |2021-09-14T02:44:40+00:00September 14th, 2021|Uncategorized|

Alumina ceramic materials have been further improved and enhanced on the basis of traditional ceramic properties, enabling them to adapt to various special needs of different industries and have a good market reputation value. What are the special excellent characteristics of alumina ceramics? In the field of electronic circuits, the functional properties of the material [...]

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August 2021

What factors cause the wear of alumina ceramics?

By |2021-08-25T14:36:08+00:00August 25th, 2021|Uncategorized|

Ceramics are widely used in our daily life, and alumina ceramics are also more commonly used, mainly in machinery, metallurgy, casting, and other industries for interface parts used more. We all know that alumina ceramics is easy to wear and break the object, in life affect the alumina ceramic wear factors are many, let us [...]

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Do you know the difference between high-temperature alumina and alumina?

By |2021-08-13T11:31:00+00:00August 13th, 2021|Uncategorized|

Many users do not know the difference between high-temperature alumina and alumina, and some even mix the two together, in order to facilitate the purchase of suitable alumina, please spend two minutes to look at our article. Alumina melting point of about 2000 degrees, is a white solid insoluble in water, tasteless, hard texture, easy [...]

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July 2021

Precautions for the use of alumina tubes and alumina ceramic crucibles in microwave high temperature equipment

By |2021-07-29T01:16:38+00:00July 29th, 2021|Uncategorized|

High purity alumina furnace tube, while taking advantage of its high purity, high temperature resistance, good denseness and other quality characteristics, we must follow the inherent characteristics of corundum material: poor thermal shock resistance, can not be rapid cold and rapid heat. Therefore, in the use of our microwave high-temperature furnace, we need to operate carefully, [...]

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Characteristics of Thermal Analysis Crucibles

By |2021-07-14T07:30:07+00:00July 14th, 2021|Uncategorized|

Thermal analysis crucibles are used for Thermal Analysis Equipment, there are many characteristics of crucibles.   High thermal conductivity: The heat transfer between the sample and crucible is fast to ensure that there is a very small temperature difference between the two, and the temperature is evenly distributed.   Stable structure performance: High purity powder [...]

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June 2021

Comprehensive thermal analysis applications for food products

By |2021-06-22T13:54:46+00:00June 22nd, 2021|Uncategorized|

 Thermal analysis is a class of techniques that measure the physical properties of a substance in relation to temperature under programmed temperature control. In the process of heating or cooling, as the structure, phase and chemical properties of the substance change, usually accompanied by corresponding changes in physical properties, in turn, constitute the corresponding various [...]

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May 2021

Three common methods of thermal analysis

By |2021-05-24T13:35:51+00:00May 24th, 2021|Uncategorized|

Thermal analysis is a class of techniques that measure the relationship between the physical properties of a substance and its temperature under program-controlled temperature conditions.   The technique consists of three aspects: 1, the substance is subjected to programmed temperature control, which usually means that it is warmed (cooled) at a certain rate. 2, a [...]

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What is the Differential Thermal Analysis (DTA)?

By |2021-05-21T02:13:05+00:00May 21st, 2021|Uncategorized|

Differential Thermal Analysis measures the relationship between temperature and heat flow within a material in relation to thermal transitions and has a wide range of applications, especially in materials development, performance testing and quality control. Material properties such as glass transition temperature, cold crystallization, phase transition, melting, crystallization, product stability, curing/crosslinking, oxidation induction period, etc., [...]

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Plastic vs. ceramic materials in the electronics market

By |2021-05-11T14:28:33+00:00May 11th, 2021|Uncategorized|

Ceramic substrate materials are widely used in power electronics, electronic packaging, hybrid microelectronics and multi-chip modules due to their excellent thermal conductivity and air tightness.   Comparison of plastic and ceramic materials   Plastics, especially epoxy resins, still dominate the entire electronics market so far due to their better economics, but many special areas such [...]

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April 2021

Why choose the appropriate rate of warming in the experiment?

By |2021-04-22T07:20:47+00:00April 22nd, 2021|Uncategorized|

The rate of warming has an obvious effect on the results of thermal analysis experiments, some reactions are greatly affected by temperature, to see the change with temperature, so the rate should be well grasped, the following is a comparison of the advantages and disadvantages of fast and slow warming.   Rapid temperature rise. Advantages: [...]

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How to Prepare DSC Samples

By |2021-04-14T14:24:50+00:00April 14th, 2021|Uncategorized|

METTLER TOLEDO has crucibles to meet every need. We will show the preparation of a DSC sample using a 40 µL standard aluminum crucible and a 100 µL aluminum crucible as examples.   The samples are powder samples and suspensions. For DSC sample preparation, you will need.     A microbalance, placed on a stone table     Crucible [...]

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March 2021

Crucibles for TGA Sample Carrier (HTP40000A58.000-00) of the STA 449 F1/F3/F5 Jupiter, STA 449 F3 Nevio

By |2021-03-30T13:25:23+00:00March 30th, 2021|Uncategorized|

Material (Purity/%) Temperature Range Consisting of Dimension/ (ø x Height)/ Volume Remarks Order Number Al2O3 (99.7) Max. 1700°C Slip-on plate, flat ø 10 mm GB343550 Al2O3 (99.7) Max. 1700°C Slip-on plate ø 17 mm GB445240 Al2O3 (99.7) Max. 1700°C  Crucible 0.9 ml GB445215 Al2O3 (99.7) Max. 1700°C  Lid  For GB445215 GB445216 Al2O3 (99.7) Max. [...]

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5 methods of manufacturing alumina ceramic plates

By |2021-03-12T06:53:40+00:00March 12th, 2021|Uncategorized|

It is well known that manufacturing high purity alumina ceramic plates is difficult because of the high melting point and hardness of most ceramics, a fact that limits the possibility of mechanical processing of ceramics, so alumina ceramic plates are often mixed with lower melting point glass for fluxing or bonding to make the final product easy [...]

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What is the common sample size for thermal analysis experiments?

By |2021-03-03T13:23:55+00:00March 3rd, 2021|Uncategorized|

Thermal analysis is a method to accurately record the relationship between the physicochemical properties of a substance and its temperature under programmed temperature control, and to study the physical changes such as crystalline transformation, melting, evaporation, dehydration, or chemical changes such as thermal decomposition, oxidation, and the accompanying changes in temperature, energy, or weight that [...]

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February 2021

Considerations in Thermal Analysis of Energy-Containing Materials

By |2021-02-23T08:29:24+00:00February 23rd, 2021|Uncategorized|

Energy-bearing materials are broadly defined as a class of substances that contain a large amount of releasable chemical energy, and the main categories include launch charges, propellants, explosives, pyrotechnics, etc. Narrowly speaking, energy-containing materials refer to substances containing fuels and oxidizers that can independently carry out rapid chemical reactions and release energy, which can be [...]

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Applications of Alumina Substrates

By |2021-02-03T02:02:50+00:00February 3rd, 2021|Uncategorized|

Alumina substrate, is a special process board in which copper foil is bonded directly to the surface of aluminum oxide (Al2O3) or aluminum nitride (AlN) alumina substrate at high temperature.   What are the uses of alumina substrates?   1, alumina substrate in the chip application In led more alumina substrate made of chips to [...]

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January 2021

3 main materials used to make ceramic substrates

By |2021-01-21T16:09:13+00:00January 21st, 2021|Uncategorized|

Unlike traditional FR-4 or aluminum substrates, ceramic substrates have a coefficient of thermal expansion close to that of semiconductors and high heat resistance, making them suitable for products with high heat generation (high brightness LEDs, solar energy).   Comparison of three types of ceramic materials for manufacturing ceramic substrates I. Al2O3 So far, alumina substrates are [...]

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Phase change testing of oxygen-sensitive materials

By |2021-01-17T15:58:15+00:00January 17th, 2021|Uncategorized|

Sensitive materials are materials that can sense small changes in physical, chemical or biological quantities (e.g., electricity, light, sound, force, heat, magnetism and gas distribution, etc.) and can exhibit significant characteristic changes depending on the amount of change.   The metal alloy γ-TiAl has excellent properties such as corrosion resistance, high temperature resistance and low [...]

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December 2020

Simultaneous Thermal Analysis Testing of Explosives

By |2020-12-14T13:36:12+00:00December 14th, 2020|Uncategorized|

Explosives are a class of materials that are chemically or energetically unstable, with heat production and a rapid rise in pressure, accompanied by a flash of light and a sound. Usually explosives do not release as much potential energy as petroleum fuels, but the rapid release of energy can also produce a tremendous amount of [...]

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November 2020

Simultaneous thermal analysis(STA)of ceramic materials

By |2020-11-23T03:58:45+00:00November 23rd, 2020|Uncategorized|

Ceramics is the collective name for pottery and porcelain. Traditional ceramics, also known as ordinary ceramics, is to clay and other natural silicates as the main raw material for firing products, modern ceramics, also known as new ceramics, fine ceramics or special ceramics. Commonly used non-silicate chemical raw materials or synthetic raw materials, such [...]

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How do I select the right sample pans for DSC and TGA testing?

By |2020-11-23T04:01:11+00:00November 17th, 2020|Uncategorized|

There are a variety of different brands and uses of sample pans on the market today, and the choice of sample tray is critical when analyzing different materials and performing different tests. Sample pans are available in aluminum, copper, platinum, and alumina, and are suitable for instrument brands such as American PE, American TA [...]

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March 2020

Usage and precautions of corundum tube

By |2020-09-26T09:15:38+00:00March 23rd, 2020|Uncategorized|

A corundum tube is a very important part of the tube furnace. Since it is alumina material, thermal shock resistance ability is poor, the service life of it is very limited, usually, propose to keep up cooling rate under 5 ℃ / min, slowly is better, must be set in the process of cooling and [...]

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September 2019

3 Most Effective Methods For Cleaning Alumina Crucible

By |2020-09-26T09:08:17+00:00September 10th, 2019|Uncategorized|

Alumina crucible is also called Corundum crucible, it is a common crucible in the laboratory as the accessories fitting of most Resistance Furnaces. With high-temperature resistance and corrosion resistance, widely used in the box resistance furnace. After using the ceramic corundum crucible for the experiment, some crystals produced. Sometimes the materials will since on the [...]

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