太原不锈钢产业集群跻身国家级创新型产业集群试点-论文.pdf

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1、■用技术表3检测不锈钢各元素含量的测量不确定度结果(％)样品编号碳含量魁碳平均值硅含量她硅平均值锰含量魁锰平均值磷含量磷平均值1O．01690．3680．7320．034920．01660．3660．7370．03553O．01680．3670．7260．03414O．01640．3740．7360．035250．01730．3760．7230．03470．01780．3700．7300．034660．01680．3710．7330．034670．O1690．3690．7220．034480．018O0．3700．7340．03409O．01700．3630．7300．0342100．0

2、1750．3720．7240．0348样品硫含量硫平均值铬含量魁铬平均值镍含量魁镍平均值编号10．001218．1939．97520．001118．1739．96330．001218．1849．96240．001218．18O1O．0105O．001318．16810．0000．001218，1779．98160．001218．1969．96770．001218．1659．99180．001218．1659．98290．001218．1699．97110O．001118．1589．978AssessmentofUncertaintyofElementContentinStainlessS

3、teelbyPhotoelectricDirect--readingSpectrographChaiYan-ying，ZhanHui-xia(DatongElectricLocomotiveCo．，LtdofChinaCNRCorporationLimited，Datong037038China)Abstract：Byusingdirect-readingspectrometertomeasureeachclementinstainlesssteelandanalyzeitsuncertainty．Duetotheexistenceoftheerrorsofmeasuringvaluec

4、an’tbecertain，ontheonehand，suitableforassessingthereliabilityoftestresults；ontheotherhand，increasingthecomparabilityoftestresults．Theuncertaintydegreemainlycomesfromthepreci—sionoftheinstrument，standardmaterialanduncertaintycausedbytheworkingcurvecalibrationprocess．And，componentofuncertaintywasca

5、lculatedthroughthemathematicalmodelinordertocalculatetheconfidenceinthedeterminationofcon—tentofeachelementinstainlesssteel，whenK=2，thisrangeincludedthedeterminationresuRsofpossiblevalues95％．Keywords：directreadingspectroscopy；stainlesssteel；uncertaintySCl_TECHINNOVATION&PRODUCTIVITY-112-INo．2feb．

6、2014,Total—No．241