直讀光譜法直接測定中、高鉻鋼球(鍛)中鉻含量方法的研究
摘要:文中采用兩臺不同廠家、型號的直讀光譜儀分別對相同的高鉻鋼球(鍛)樣品進(jìn)行測試比對,也與手工化學(xué)分析方法的結(jié)果進(jìn)行比對,并利用精密度和統(tǒng)計學(xué)理論中t檢驗分析了檢測結(jié)果。
關(guān)鍵詞:高鉻鋼球;直讀光譜法;鉻
Study on Direct Determination of Chromium Content in Medium and High Chromium Steel Ball (Forged) Using Direct Reading Spectrometry
WU Xuhui
( Fujian Inspection and Research Institute for Product Quality, Fuzhou 350002, Fujian, China )
Abstract: In this paper, two direct reading spectrometers of different manufacturers and models are used to test and compare the same high chromium steel ball (forged) samples, and the results are also compared with those from manual chemical analysis. The test results are analyzed by using precision and t-test in statistical theory.
Key Words: High chromium steel ball; Direct reading spectrometry; Cr
0 前言
中、高鉻鋼球(鍛)屬于鉻系白口鑄鐵,C、Cr含量高,C:1.8%~3.6%;Cr:3%~30%,比較特殊。(剩余2456字)
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