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Oxygen, Nitrogen, and Hydrogen in Refractory Metals

Summary

One of the most critical chemical specifications of titanium alloys is the hydrogen content. Too high of a

hydrogen content can cause hydrides to precipitate, which can lead to embrittlement and subsequent

cracking when the alloy is stressed. Hydrogen pickup typically occurs during downstream processing steps

such as heat treating, pickling, and cleaning.

The LECO ONH836 is a simultaneous oxygen, nitrogen, and hydrogen determinator that utilizes an electrode furnace, inert carrier gas, and both infrared and thermal conductivity detection to meet the analytical needs of the refractory metal industry. 

This application note was written specifically for use with the LECO ONH836 series determinator.

736 Series: Oxygen/Nitrogen by Inert Gas Fusion

The 736 family of Elemental Analyzers is designed for routine measurement of oxygen and nitrogen content of

inorganic materials, ferrous and nonferrous alloys, andrefractory materials using the inert gas fusion technique.

These instruments feature our Cornerstone brand ® software, a custom interface designed specifically for

touch-screen operation. Developed by combining longterm research with customer feedback, this easy-to-use

software gives you complete access to instrument control, analysis settings, diagnostics, reporting, and more—without sacrificing valuable bench space.

山東LECO分析儀廠家供應(yīng)提供各種無機材料、鋼鐵、有色金屬、硬質(zhì)合金陶瓷材料中寬范圍的氧氮氫同時測定。

Sample Preparation

Sampling and sample preparation of refractory metals such as titanium and zirconium is somewhat different from that of steel. Unlike steel samples, hydrogen is not as mobile in this group of materials; therefore, storage in liquid nitrogen or dry ice is not required. However, it is important to keep the sample cool when cutting or sectioning. Sample preparation for oxygen and nitrogen determination has beendifferent from that of hydrogen determination.

美國力可LECO氧氮氫分析儀

公司介紹：

美國力可公司(LECO)始于1936年 ，以生產(chǎn)用于冶金、機械、能源、化工、農(nóng)業(yè)、食品及科研開發(fā)領(lǐng)域的各種分析儀器。

ONH836氧氣/氮氣/氫氣元素分析儀設(shè)計用于使用惰性氣體熔融技術(shù)對無機材料，鐵和非鐵合金以及耐火材料中的氧，氮和氫含量進(jìn)行寬范圍的測量。

堅固的樣品加載區(qū)域可簡化日常維護(hù)并大程度減少大氣污染

用于氧氣檢測的三重紅外電池可實現(xiàn)業(yè)內(nèi)大的檢測范圍

通過自動化選項提高實驗室生產(chǎn)率

可用的自動清潔器大程度地減少了兩次分析之間的手動清潔需求

適用于坩堝和樣品的20位往復(fù)式裝載機

安裝在動臂上的觸摸屏界面可提供更好的人體工程學(xué)設(shè)計和直觀的操作

紅外（IR）和熱導(dǎo)率（TC）檢測器，沒有活動部件，也無需手動調(diào)節(jié)

改善TC電池的穩(wěn)定性

可繞過的OMI-2載氣洗滌塔，提高了TC電池的穩(wěn)定性

獲得Dyanamic流量補償可進(jìn)一步增強TC細(xì)胞的穩(wěn)定性

OHN836系列儀器采用惰性熔融法。

company profile

Shanghai Uzong Industrial Co., Ltd. (hereinafter referred to as UZONGLAB®) is a high-tech company that provides integrated solutions for intelligent laboratories, mainly serving the Chinese market and countries along the “Belt and Road”. It has three business divisions and one The technology center, namely the instrument business department, consumables business department, project development department, and Zhongyu Lianhe Technology Center. In addition to the Shanghai headquarters, we have established branches in Beijing, Shenyang, Shijiazhuang, Taiyuan, Qingdao, Guangzhou, Chengdu and Urumqi. To provide customers with more professional, safer and more convenient products and services is our sole goal. 國際**的非色散紅外及熱導(dǎo)檢測器 ，無移動部件，不需要手動調(diào)整。新疆美國LECO分析儀咨詢報價

試樣加載過程中完全密閉，消除大氣的中可能帶來的雜質(zhì)的污染。新疆美國LECO分析儀咨詢報價

力可OHN736&836系列儀器采用惰性熔融法，提供各種無機材料、鋼鐵、有色金屬、硬質(zhì)合金陶瓷材料中寬范圍的氧氮氫同時測定。ONH836儀器通過***采納客戶的反饋意見和創(chuàng)新設(shè)計，力可***儀器采用觸摸屏技術(shù)和在線軟件平臺，增強了儀器的可操作性，降低了分析成本，節(jié)省實驗室桌面空間。

用戶友好界面的Cornerstone? 軟件

力可**的Cornerstone碳硫分析軟件采用觸摸屏界面使用戶可完整的達(dá)到分析控制、方法設(shè)定、在線診斷、數(shù)據(jù)報告。Cornerstone碳硫分析軟件允許用戶在單一分析界面中完成日常的所有工作，快速而且簡單易用。力可創(chuàng)新的批次和重復(fù)樣品數(shù)據(jù)分組功能極大簡化了樣品結(jié)果輸出和結(jié)果標(biāo)準(zhǔn)偏差的自動計算。減少了繁瑣的額外數(shù)據(jù)處理。

新疆美國LECO分析儀咨詢報價