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1、ICS25.220.20A29(G8中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)GB/T16921-2005/ISO3497:2000代替GB/T16921-1997金屬覆蓋層覆蓋層厚度測(cè)量X射線光譜方法Metalliccoatings-Measurementofcoatingthickness-X-rayspectrometricmethods(ISO3497:2000,IDT)2005-10-12發(fā)布2006-04-01實(shí)施中華人民共和國(guó)國(guó)家質(zhì)量監(jiān)督檢驗(yàn)檢疫總局發(fā)布中國(guó)國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)GB/T16921--2005/1S034
2、97:2000目次前言···············??‘’‘’‘1范圍··??””’二”””2術(shù)語(yǔ)和定義············，···········，，，·，····。。。，··································，·····························一13原理···························，·········，，··。。··································，······················
3、·······。，，，·24儀器，，，，，，····“····，，，，，，················】···············，··】】】·········，···，，·，··1··1·····4??55影響測(cè)量結(jié)果的因素·····，·····························，····································....................86儀器的校準(zhǔn)，··。?！ぁぁ??！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?/p>
4、··，，·····························、·。·········，··············，，，二107規(guī)程··················，，，，··，，，。?！ぁぁぁぁ?。·············································‘······························??128測(cè)量不確定度·，，，·，··?！?。·?！ぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁぁ?/p>
5、·············，·，，，，。。?！ぁぁぁぁぁぁぁぁ??139測(cè)試報(bào)告···，，，··········‘······························，·············，··············，，，··，··，·····。·············??13附錄A(資料性附錄)常見覆蓋層測(cè)量的典型測(cè)量范圍，················?！ぁ！?，，··，·，···················??14參考文獻(xiàn)·········“·····················
6、····························，，·，··········4，·，···，·，·················??15標(biāo)準(zhǔn)分享網(wǎng)www.bzfxw.com免費(fèi)下載GB/T16921-2005/1SO3497:2000hit言本標(biāo)準(zhǔn)等同采用ISO3497:2000(E)(金屬覆蓋層覆蓋層厚度測(cè)量X射線光譜方法)}(英文版)。本標(biāo)準(zhǔn)按(;B/T1.1的編輯要求，根據(jù)ISO3497重新起草。本標(biāo)準(zhǔn)對(duì)應(yīng)ISO3497作了如下修改:—取消了ISO3497的前言內(nèi)容，重新起草r本標(biāo)準(zhǔn)前言;增加了“
7、目次內(nèi)容”;用“本標(biāo)準(zhǔn)’，代替“本國(guó)際標(biāo)準(zhǔn)”。本標(biāo)準(zhǔn)代替GB/T16921-1997《金屬覆蓋層覆蓋層厚度測(cè)量X射線光譜方法》?本標(biāo)準(zhǔn)與GB/T16921-1997相比主要變化如下:—在范圍中增加了警告;—在術(shù)語(yǔ)和定義中增加了基體材料、基體金屬和基體的定義，且將歸一化強(qiáng)度(1997年版的2.本版的2.4)的數(shù)學(xué)符號(hào)定義為二.(1997年版為In)，相應(yīng)的數(shù)學(xué)關(guān)系式也隨之改變;—在3.3.3能量色散中，將波長(zhǎng)和能量的關(guān)系式進(jìn)行了修正;—在原理中，將其內(nèi)容進(jìn)行了重新排列，增加了3.5.3比率方法和3.7數(shù)學(xué)反卷積的描
8、述;—對(duì)5.1.2隨機(jī)誤差的標(biāo)準(zhǔn)偏差、以及5.6覆蓋層密度的公式進(jìn)行了修正;—對(duì)5.16試樣表面的傾斜度的影響，做了更精確的修正;一在儀器的校準(zhǔn)中增加了6.1.5計(jì)算機(jī)模擬主要參數(shù)的無(wú)標(biāo)樣技術(shù)的描述;本標(biāo)準(zhǔn)的附錄A為資料性附錄本標(biāo)準(zhǔn)由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。本標(biāo)準(zhǔn)由全國(guó)金屬與非金屬覆蓋層標(biāo)準(zhǔn)化技術(shù)委員會(huì)歸口。本標(biāo)準(zhǔn)起草單位:機(jī)械工業(yè)表面覆蓋層產(chǎn)品質(zhì)量監(jiān)督檢測(cè)中心本標(biāo)準(zhǔn)起草
