Oxygen, Nitrogen, and Hydrogen in Refractory Metals

Summary

Titanium is a metal that can be combined with elements such as aluminum, vanadium, molybdenum, and tin to produce high-strength, lowdensity, and corrosion-resistant alloys. Titanium alloys are used by the military, medical devices, sporting goods, and aerospace industries because of these properties, and due to the strict demands of these industries, effort needs to be taken to assure that the material meets the highest of quality standards.

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Oxygen, Nitrogen, and Hydrogen in Refractory Metals

Summary

Oxygen and nitrogen are alloying elements in titanium, and are also classified as alpha stabilizing elements as they promote alpha phase alloys. Interstitial oxygen and nitrogen levels can be used to regulate the tensile strength of the material, but due to its high solubility can cause unwanted surface embrittlement. This phenomenon can be leveraged,however, under controlled processing to create surface films that increase surface hardness and wear properties.

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CS CS 844 and 744 Series: Carbon/Sulfur by Combustion

Carbon and sulfur determination by combustion infrared detection

Quick, accurate, and affordable determination for both production control and research

Calibration, analysis, evaluation, and diagnostic functions accessible via user-friendly brand software

GDS GDS 500A and 850A Atomic Emission Spectrometers

Spectral range from 120 to 800 nm

Continuous profile of concentration/thickness

Large, dynamic range with concentrations from ppm to 100% by weight

Short analysis time (minutes)

Procedure - Solid Samples

Prepare the instrument as outlined in the operator's instruction manual.

Determine the instrument blank.

Login a minimum of 3 Blank replicates.

Press the Analyze button on the instrument screen. After a short delay, the loading head slide-block will open. Place a 502-344 Nickel Basket into the loading head.

Note: samples using automation should be placed in the appropriate autoloader position before starting the

analysis sequence. Once the sequence has started, the automatic analysis will start and end automatically.

Procedure - Solid Samples

Press the Analyze button on the instrument screen again, the loading head slide-block will close and the lower electrode will open.

Clean the upper and lower electrode manually, or, if applicable, remove the crucible and press the analyze button to clean with the automatic cleaner

Add approximately 0.05 g of *** Graphite Powder to a *** Graphite Crucible.

Firmly place the crucible on the lower electrode tip or appropriate autoloader position.

Press the Analyze button on the instrument screen, the lower electrode will close and the analysis sequence will start and end automatically

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氧氮氢分析仪的优点

采用惰气熔融技术，同时测定氧、氮和氢元素含量

新设计封闭气路系统，优化气路循环，使氧氮氢测量更准确

可采用更廉价的氩气作为载气

催化炉温度可调，使氧的测量更加准确

气路系统都采用电磁阀控制，新增分段式漏气检测

水冷样品加样端口，有效隔绝杂质气体侵入

仪器配置和氧、氮、氢测量范围可灵活选择

新设计的高灵敏度红外检测池和热导池，有极低的检出限

分析时间短

脉冲炉功率高达8.5kw，温度3000℃

颗粒状样品无需胶囊包裹，使用经济实惠

化学试剂及管路隐藏在门后（可移除）

强大的分析软件（支持数据和应用报告导出、增加评论区及其他更多功能）。

单点和多点校正（线性回归）

可采用自来水、冷却循环水机或交换机冷却

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