附录A
(规范性附录)
锆及锆合金在400℃蒸汽中腐蚀试验方法
A.1 术语
XIALIESHUYUSHIYONGYUBENFULU。
A.1.1 BIAOYANG standard
YIZHIXINGNENGDEYONGLAIPANBIESHIYANYOUXIAOXINGDESHIYANG。
A.1.2
AJISHUI grade A water
DIANZULVBUXIAOYU1.0MΩ•cm，pHWEI5.0~8.0DECHUNSHUI。
A.1.3
BJISHUI grade B water
DIANZULVBUXIAOYU0.5MΩ•cmDEQULIZISHUIHUORUANHUASHUI。
A.2 设备与仪器
A.2.1 GAOYAFU：GAOYAFUWEI300XILIEBUXIUGANGHUONIEJIHEJINZHIZUODEYALIRONGQI，YINGZHUANGYOUYALI、WENDUCELIANGHEKONGZHIZHUANGZHI、ANQUANZHUANGZHIHEFANGQIFA。YALIHEWENDUKONGZHIXITONGYINGMANZUBENSHIYANYAOQIU，SHIYANGJIAJUJIQITANEIBUFUJIANJUNYONG300HUO400XILIEBUXIUGANGHUONIEJIHEJINCAILIAOZHIZAO。
A.2.2 SUANXIRONGQI：JUYIXIHUOJUBINGXIZHIZUODESUANXICAO。
A.2.3 CELIANGSHEBEI：TIANPING(JINGDUBUXIAOYU1×10-*g)、QIANFENCHI、KACHI。
A.3 试剂
A.3.1 AJISHUI、BJISHUI。
A.3.2 BINGTONGHEYICHUN、XIAOSUAN(HUAXUECHUN)、QINGFUSUAN(HUAXUECHUN)、LIUSUAN(HUAXUECHUN)。
A.4 试样、标样
A.4.1 试样的长×宽一般为30mm×20mm，表面经过水洗或酸洗。
A.4.2 MEIPISHIYANGHEBIAOYANGYINGFENBIEBIAOSHI。
A.5 试验要求
A.5.1 SHUIZHI：FUSHISHIYANYONGSHUIWEIAJISHUI。
A.5.2 SHIYANGSHULIANG：MEICIZHIYUGAOYAFUNEISHIYANGDEZONGMIANJIBUCHAOGUO0.1m²/L。
A.5.3 SHIYANTIAOJIANRUXIA：
——WENDU：(400SHI3)℃。
——YALI：(10.3±0.7) MPa。
——SHIJIAN：ZAIGUIDINGDEWENDUHEYALIXIA，FUSHIZONGSHIJIANZUIDUOKEBIGUIDINGSHIJIANYANZHANG8h，SHIJIANKEYIBULIANXU。
A.6 试样制备
A.6.1 YONGBINGTONGHUOYICHUNCHUYOU。
A.6.2 DUISHIYANGZHUGEJINXINGBIANHAO。
A.6.3 YONG180#、300#、400#、500#SHAZHI，CONGCUDAOXIMOZHISHIYANGBIAOMIAN，QUCHUBIANXINGCENG。
A.6.4 SUANXI：
a)RUGUOYOUSUANXIYAOQIU，SUANYETUIJIANSHIYONGYIXIAPEIBI，KEGENJUCHANPINYAOQIUDIAOZHENG：
CHUNGAOJIGAOXIHEJINSUANYEPEIBI：(3SHI1)%TIJIFENSHUDEQINGFUSUAN，(39±5)%TIJIFENSHUDEXIAOSUAN，QIYUWEIZHENGLIUSHUIHUORUANHUASHUI。
GAONIHEJINSUANYEPEIBI：(9SHI1)%TIJIFENSHUDEQINGFUSUAN，(30SHI5)%TIJIFENSHUDEXIAOSUAN，(30SHI5)%TIJIFENSHUDELIUSUAN，QIYUWEIZHENGLIUSHUIHUOQULIZISHUI。
b)MEISHENGSUANXIYESUANXIYANGPINDEBIAOMIANJIBUDAYU4dm²，SUANYEWENDU32℃~45℃，SUANXIQUCHULIANGKONGZHIZAI0.01mm~0.1mm，SUANYEYANSECHENGHUANGSESHIYINGBAOFEI，ZHONGXINPEIZHISUANYE。
A.6.5 用自来水冲洗后，用室温的B级水冲洗。
A.6.6 YONGBUDIYU80℃DEBJISHUIQINGXI10minZUOYOU。
A.6.7 JIANGSHIYANGFANGRENGANZAOXIANGZHONG，ZAI60℃~80℃GANZAO0.5h~1h，QUCHUSHIYANG，SHIWENXIALENGQUE；HUOSHIYONGREFENG，JIANGSHIYANGBIAOMIANCHUIGAN， ZAISHIWENXIALENGQUE。SHIYANGDELENGQUESHIJIANKEKONGZHIZAI15minYISHANG， ZUIZHONGBAOZHENGSHIYANGYUTIANPINGTONGWENDU。
A.7 操作步骤
A.7.1 SHIYANGJIANCHA：FUSHISHIYANGBIAOMIANYINGWUZHEDIE、LIEWEN、GUPAO、YIWU、YANGHUAJISUANBANDENG。
A.7.2 CHICUNCELIANG：CELIANGMEIGESHIYANGCHICUN，JINGQUEDAO0.01mm；BIAOMIANJIJISUANHOUXIUYUEDAO1×10-+dm，
A.7.3 CHENGZHONG：YONGGANLIANGTIANPINGCHENGZHONG，ZHISHAOJINGQUEZHI1×10-*g，MEICHENG5GESHIYANGDIAOLINGYICI。
A.7.4 GAOYAFUFUSHIJIANCE：
a)JIANGGAOYAFUNEIBIYONGBJISHUICHONGXIBUSHAOYULIANGCI。
b)JIANGSHIYANGZHUANGZAIGANJINGDESHIYANGJIASHANG，SHIYANGZHIJIANBUYINGJIECHU，YONGBJISHUICHONGXISHIYANGHESHIYANGJIA。
c)JIANGCHONGXIGUODESHIYANGJISHIYANGJIAFANGRUGAOYAFUNEI，JIARUAJISHUIYUEZHANGAOYAFUJIAMANSHUILIANGDE1/4~3/4，KOUSHANG
ZHULUOSHUANHEYAJINLUOSHUANMIBIHOU，KAISHIJIARE。
d)PAIQI：SHENGWENDAO150℃~190℃SHI，KAISHIJINXINGFANGQI，SHAOLIANGDUOCIFANGQIZHIDAOWENDUHEYALIDADAOGUIDINGZHI。
e)WENDUDAODA400℃HOUKAISHIBAOWEN，BAOWEN72hHUO336h。
f)BAOWENJIESHUHOU，DAISHANGGANJINGDESHOUTAO(HUOYONGGANJINGDENIEZI)QUCHUSHIYANG，YONGBJISHUIHUOYICHUNCHONGXIBINGLIANGGANHOU，JIANG
SHIYANGFANGRUGANZAOXIANGZHONG，ZAI60℃~80℃GANZAO0.5h~1h，QUCHUSHIYANG，SHIWENXIALENGQUE；HUOSHIYONGREFENG，JIANGSHI
YANGBIAOMIANCHUIGAN， ZAISHIWENXIALENGQUE。SHIYANGDELENGQUESHIJIANKEKONGZHIZAI15minYISHANG， ZUIZHONGBAOZHENGSHIYANGYUTIANPINGTONG
WENDU。
A.8 腐蚀结果
A.8.1 JISUAN
FUSHIZENGZHONGANSHI(A.1)JISUAN：
A.8.2 BIAOMIANGUANCHA
FUSHISHIYANHOUJIANCHAMEIGESHIYANGBIAOMIANDEYANSE、GUANGZE、JUNYUNDU，JILUJIEGUO，WAIGUANJIANCHAYINGZAIMINGLIANGDEHUANJINGXIAJINXING。
A.9 报告
SHIYANBAOGAONEIRONGBAOKUODANBUXIANYU：
a)SHIYANSHIMINGCHENG；
b)BENBIAOZHUNBIANHAO；
c)YANGPINZHUANGTAI；
d)GAOYAFUBIANHAOHESHIYANRIQI；
e)SHIYANQIANSHUIDEDIANZULV；
f)SHIYANWENDU、YALI、SHIJIAN；
g)FUSHIZENGZHONG；
h)SHIYANGBIAOMIANZHUANGKUANG。
