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2018-11-07
Brand :CSCERAMIC Factory :CS CERAMIC CO.,LTD YB/T 4145-2006 (China) Dedicated Carbon Sulfur Analyzing Crucible 1. Scope This standard defines terminologies, structure, technical requirements, usage requirements, package, storage and transportation, marks, and quality certificates of dedicated carbon sulfur analyzing crucible. This standard is applicable to dedicated carbon sulfur analyzing c...
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2018-09-03
The market requires lower and lower carbon/sulfur content in steel, for low carbon sulfur steel like silicon steel, extra-deep drawing auto sheet, and gas pipeline steel, during the refining process, carbon sulfur content in steel sample reaches to around 0.001%. Since when the content is closed to baseline value, the baseline value will affect testing limit, also affect analyzing precision and ac...
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2018-08-10
Dedicated carbon sulfur crucible is main consumable of high frequency infrared carbon sulfur analyzer, usually it can be used only one time so consumption is large. Meanwhile, quality requirement to crucible is very high for low or super lower carbon/sulfur content sample test. Acceptance standard: dedicated carbon sulfur analyzing crucible, factory inspection for 100 piece Item 1: appearance insp...
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2018-08-21
1.Melting sample by the heat released during combustion process, and adding fluxing agent can decrease melting point. 2.Not only fluxing, tungsten-Tin accelerator also has function of heat release, acidity-alkalinity adjustment of medium, mixing, catalyzing, stabilizing combustion, anti-interference, etc. 3.Tungsten-Tin accelerator is widely used in high frequency furnace, and it can fulfill techn...
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2018-08-21
Key points of super low carbon content analyzing by high frequency infrared carbon sulfur analyzer are as follows: Contamination prevention. 1.1 Especially oil contamination during process of drilling, turning or milling should be avoided, for which will cause high carbon content in sample, also large result fluctuation. Furthermore, the contaminant is hard to be washed by acetone, ethyl ether, CT...
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2018-07-09
Generally, Al2O3 ceramic means ceramic that with α-Al2O3 as the main crystalline phase, and content of Al2O3 is between 75%~99.9%. Customarily, as a commodity, Al2O3 is named according to the nominal content, for instance, #99 ceramic means nominal content of Al2O3 is 99%, and #95 ceramic means nominal content of Al2O3 is 95%. For ceramic that Al2O3 content is higher than 85%, it’s called high alu...
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2018-08-22
Heat densification methods includes: hot pressing, hot isostatic pressing, etc. As a matter of fact, hot squeezing and hot casting also belong to heat densification, but they are not widely used in ceramic production. Heat densification has high cost, but production rate is low, but for ceramics that need high performance while hard to get sintered, this method is the most widely used, because whe...
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2018-06-27
For most special ceramics, it’s hard to get densified product by only solid phase diffusion, so some certain additive will be added to generate glass phase or liquid phase. Due to rearrangement of particles and viscous flow in liquid phase, densified product can be obtained, meanwhile decrease sintering temperature. If liquid phase exists in the whole process of sintering, then it’s called liquid ...
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2018-08-22
Ordinary solid phase sintering In the past, ceramics were usually sintered in heavy oil tunnel kiln, while nowadays mainly in electric furnace, including tube furnace, vertical type furnace, box type furnace, etc. And sintering environment is decided by the performance requirement of product, also by economic factor. Shielding gas can be used, such as hydrogen, argon, nitrogen, also can be sintere...
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