䋨ญ䋩
C. 㧞 ᱷ⇐ᔕജߦ㑐ߔࠆታ᷹୯ߣ⸃ᨆ୯ߣߩᲧセ
ฦㇱߩᱷ⇐ᔕജߩ⸃ᨆ⚿ᨐࠍታ᷹୯ߣᲧセߒߡ࿑ C-13 ߦ␜ߔޕߎߩ࿑ߦ␜ߔࠃ߁ ߦᱷ⇐ᔕജߩታ᷹୯ߣ⸃ᨆ୯ߪᲧセ⊛⦟ߊ৻⥌ߒߡ߅ࠅޔᧄ⸃ᨆᚻᴺߩㆡ↪ᕈ߇␜ߐࠇ ߚޕ
߹ߚޔጀߏߣߩනᤨ㑆ߚࠅߩᾲߪޔ࿑ C-12 ߦ␜ߔࠃ߁ߦᗐቯߒߡṁធ᧦ઙࠍ
⠨ᘦߒߡౝㇱ⊒ᾲߣߒߡਈ߃ߚޕߥ߅ޔt1 ߮(t3-t2)ߪt2 ߩ20%ߣߥࠆࠃ߁ߦ⸳ቯߒ ߚޕ
⸃ᨆᚻ㗅ࠍ࿑ C-10 ߦ␜ߔޕࠣ࡞ࡇࡦࠣߒߚฦṁធࡄࠬࠍᚑጀߐߖޔ㕖ቯᏱ᷷ᐲಽ Ꮣᄌൻࠍ᳞ࠆޕᰴߦޔᚑጀߐࠇࠆṁធ㊄ዻࠍࡕ࠺࡞ൻߒߚⷐ⚛ߦᒰ᷷ᐲᤨೞᱧᄌൻ ࠍട߃ߡᄢᄌᒻᒢ႟ᕈ⸃ᨆࠍታᣉߔࠆޕ‛ᕈ୯ߪޔ࿑C-11ߦ␜ߔࡕ࠶ࠢࠕ࠶ࡊ⹜㛎ߣ ห৻ߩ᧚ᢱޔṁធ᧦ઙ߆ࠄᚑߒߚ⹜㛎 ߢ᷹ቯߒߚ୯ࠍ↪ߚޕ
ᬌ⸛ኻ⽎ߣߔࠆࡕ࠶ࠢࠕ࠶ࡊ⹜㛎ߩᒻ⁁ࠍ࿑C-8ߦ␜ߔޕ৻ᣇޔ⸃ᨆߦ↪ߚ㧲㧱 㧹ࡕ࠺࡞ߪ࿑C-9ߦ␜ߔߣ߅ࠅߢࠆޕ࿑C-9ߦߪታ㓙ߩṁធᚻ㗅ࠍᮨᡆߒߚṁធࡄࠬ
㧔ታ㓙ߩṁធߩᢙࡄࠬಽࠍࠣ࡞ࡇࡦࠣߒߚ߽ߩ㧕߇␜ߒߡࠆޕ
ᱷ⇐ᔕജߦ㑐ߒߡࠪࡘ࠙࠼ߩࡕ࠶ࠢࠕ࠶ࡊ⹜㛎ߦߡታ᷹ߐࠇߚ୯ߣޔṁធᚻ㗅ࠍ
ᮨᡆߒߡ⸃ᨆߒߚ୯ࠍᲧセߔࠆޕ 㨎㧚 㧴㧣⛮ᚻ
a. 㧴㧠⛮ᚻ
(5) ᱷ⇐ᔕജ⸃ᨆ⚿ᨐ
㧴㧣⛮ᚻߦኻߔࠆ⸃ᨆ⚿ᨐࠍ࿑㧯-6߮࿑㧯-7ߦ␜ߔޕ㧴7aߦ㑐ߒߡߪޔࠬ࠹ࡦ
ࠬ㍑ṁធㇱߢ㧿㧯㧯߇⺖㗴ߣߥࠆṁធᾲᓇ㗀ㇱㄭறߩゲᣇะߩᱷ⇐ᔕജಽᏓࠍ␜
ߒߡ߅ࠅޔ㧴㧣bߢߪࠗࡦࠦࡀ࡞ߢ㧿㧯㧯߇⺖㗴ߣߥࠆṁ㊄ㇱࠍ␜ߒߡࠆޕ 㧴㧠⛮ᚻߦኻߔࠆ⸃ᨆ⚿ᨐࠍ࿑㧯-㧢ߦ␜ߔޕࠬ࠹ࡦࠬ㍑ṁធㇱߢ㧿㧯㧯߇⺖㗴 ߣߥࠆṁធᾲᓇ㗀ㇱઃㄭߩゲᣇะߩᱷ⇐ᔕജಽᏓࠍ␜ߒߡࠆޕ
䌃䋭䋱㩷 㩷 વᾲ⸃ᨆ↪‛ᕈ୯㪅㩷
㪠㫅㪺㫆㫅㪼㫃 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷
㩷 㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㩷 㷄㩷 㪉㪇㩷 㪈㪋㪐㩷 㪉㪏㪏㩷 㪌㪍㪍㩷 㪏㪈㪌㩷 㪈㪇㪇㪇㩷 㪈㪌㪇㪇㩷 㪉㪇㪇㪇㩷
㩷 㪫㪿㪼㫉㫄㪸㫃㩷㪺㫆㫅㪻㫌㪺㫋㫀㫍㫀㫋㫐㩷 㫂㪡㪆㫄㫄䍃㫊䍃㷄 㪈㪅㪋㪐㬍㪈㪇㪄㪌 㪈㪅㪍㪍㬍㪈㪇㪄㪌 㪈㪅㪏㪎㬍㪈㪇㪄㪌 㪉㪅㪊㪋㬍㪈㪇㪄㪌 㪉㪅㪎㪎㬍㪈㪇㪄㪌 㪊㪅㪈㪇㬍㪈㪇㪄㪌 㪊㪅㪐㪏㬍㪈㪇㪄㪌 㪋㪅㪏㪐㬍㪈㪇㪄㪌 㩷 㪪㫇㪼㪺㫀㪽㫀㪺㩷㪾㫉㪸㫍㫀㫋㫐㩷㪩㩷 㫂㪾㪆㫄㫄㪊 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍 㪏㪅㪌㪇㬍㪈㪇㪄㪍
㩷 㪪㫇㪼㪺㫀㪽㫀㪺㩷㪿㪼㪸㫋㩷㪚㩷 㫂㪡㪆㫂㪾䍃㷄㩷 㪇㪅㪍㪋㪌㩷 㪇㪅㪍㪎㪇㩷 㪇㪅㪎㪉㪇㩷 㪇㪅㪏㪇㪇㩷 㪇㪅㪏㪎㪈㩷 㪇㪅㪐㪈㪊㩷 㪈㪅㪇㪌㩷 㪈㪅㪈㪎㩷
㪊㪇㪋㩷㪸㫅㪻㩷㪊㪈㪍㪣㩷㫊㫋㪸㫀㫅㫃㪼㫊㫊㩷㫊㫋㪼㪸㫃 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷 㩷
㩷 㪫㪼㫄㫇㪼㫉㪸㫋㫌㫉㪼㩷 㷄㩷 㪉㪇㩷 㪈㪇㪇㩷 㪉㪇㪇㩷 㪋㪇㪇㩷 㪍㪇㪇㩷 㪈㪇㪇㪇㩷 㪈㪌㪇㪇㩷 㪉㪇㪇㪇㩷
㩷 㪫㪿㪼㫉㫄㪸㫃㩷㪺㫆㫅㪻㫌㪺㫋㫀㫍㫀㫋㫐㩷 㫂㪡㪆㫄㫄䍃㫊䍃㷄 㪈㪅㪋㪍㬍㪈㪇㪄㪌 㪈㪅㪌㪍㬍㪈㪇㪄㪌 㪈㪅㪎㪇㬍㪈㪇㪄㪌 㪈㪅㪐㪎㬍㪈㪇㪄㪌 㪉㪅㪉㪋㬍㪈㪇㪄㪌 㪉㪅㪎㪍㬍㪈㪇㪄㪌 㪊㪅㪋㪊㬍㪈㪇㪄㪌 㪋㪅㪈㪉㬍㪈㪇㪄㪌 㩷 㪪㫇㪼㪺㫀㪽㫀㪺㩷㪾㫉㪸㫍㫀㫋㫐㩷㪩㩷 㫂㪾㪆㫄㫄㪊 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍 㪎㪅㪏㪍㬍㪈㪇㪄㪍
㩷 㪪㫇㪼㪺㫀㪽㫀㪺㩷㪿㪼㪸㫋㩷㪚㩷 㫂㪡㪆㫂㪾䍃㷄㩷 㪇㪅㪋㪌㪉㩷 㪇㪅㪋㪐㪊㩷 㪇㪅㪌㪉㪊㩷 㪇㪅㪌㪌㪊㩷 㪇㪅㪌㪎㪏㩷 㪇㪅㪍㪉㪇㩷 㪇㪅㪍㪎㪏㩷 㪇㪅㪎㪊㪎㩷
㪚㫆㪼㪽㪽㫀㪺㫀㪼㫅㫋㩷㫆㪽㩷㪿㪼㪸㫋㩷㫋㫉㪸㫅㫊㪽㪼㫉㩷 㩷 㫂㪡㪆㫄㫄㪉䍃㫊䍃㷄 㪘㫀㫉㩷 㩷 㪈㪅㪈㪍㬍㪈㪇㪄㪏 㪮㪸㫋㪼㫉㩷 㩷 㪍㪅㪍㪍㬍㪈㪇㪄㪌 㩷 㩷 㩷 㩷 㩷
ౖ㧦ṁធቇળ⺰ᢥ㓸╙12Ꮞ㧔1994㧕 ╙㧠ภ 563
㧯㧙
ਛ㑆⢵
㧿㨁㧿
ԙ Ԙ Ԛ
ԛ Ԝ Ԟ ԝ
Ԡ ԟ
ṁធ✢㧴㧠 㧿㨁㧿
ਛ㑆⢵ਅ 㧿㨁㧿
㧯㧙
ਛ㑆⢵
㧿㨁㧿
ṁធ✢㧴㧠 㧿㨁㧿
ਛ㑆⢵ਅ 㧿㨁㧿
ԛԜԝԡԢ
ԠԟԞԚԙԘ
㧯㧙
ਅㇱ⢵
㧿㨁㧿
ṁធ✢㧴㧣a 㧿㨁㧿
ṁធ✢㧴㧣㨎
ࠗࡦࠦࡀ࡞
ࠪࡘ࠙࠼ࠨࡐ࠻ࠪࡦ࠳
ࠗࡦࠦࡀ࡞
ࠪࡘ࠙࠼ࠨࡐ࠻ࡦࠣ
㧿㨁㧿 ⵣᒰߡ㊄ 㧿㨁㧿
ԙ Ԙ ԛ Ԛ
Ԝ ԝ Ԟ ԟ
ԡ Ԡ
Ԣ ԣ Ԥ ԥ ԧ Ԧ ԩ Ԩ ԫ Ԫ
㧯㧙
䋱䋶㩷 䋱䋳㩷 䋱䋰㩷 䋸
㪈㪌㩷㪈㪉㩷
䋱䋴 䋱䋱 䋹 䋷 䋶 䋵 䋴 䋳 䋲 䋱
ਅㇱ⢵
㧿㨁㧿 ⵣᒰߡ㊄
ࠗࡦࠦࡀ࡞
ṁធ✢㧴㧣
ࠗࡦࠦࡀ࡞
ࠪࡘ࠙࠼ࠨࡐ࠻ࠪࡦ࠳
ࠗࡦࠦࡀ࡞
㧯㧙
ࠣ࡞ࡇࡦࠣߒߚฦṁធࡄࠬᚑጀᤨ
ߩ㕖ቯᏱ᷷ᐲಽᏓ⸃ᨆ⚿ᨐ ṁ㊄ࡕ࠺࡞ߩ
⚵ߺㄟߺ ోࡕ࠺࡞ߢߩ
ᒢ႟ᕈᄢᄌᒻ⸃ᨆ
࿑ %㨪㧞ߩṁធᚻ㗅
࿑ % ⸃ᨆᚻ㗅
㪇 㪌㪇 㪈㪇㪇 㪈㪌㪇 㪉㪇㪇 㪉㪌㪇 㪊㪇㪇 㪊㪌㪇 㪋㪇㪇 㪋㪌㪇 㪌㪇㪇
㪇 㪇㪅㪇㪈 㪇㪅㪇㪉 㪇㪅㪇㪊 㪇㪅㪇㪋 㪇㪅㪇㪌 䈵䈝䉂
ᔕജ䋨㪥㪆㫄㫄㪉䋩
㪉㪇㷄
㪈㪇㪇㷄 㪋㪇㪇㷄 㪍㪇㪇㷄 㪏㪇㪇㷄
㪈㪇㪇㪇㷄 㪇 㪌㪇 㪈㪇㪇 㪈㪌㪇 㪉㪇㪇 㪉㪌㪇 㪊㪇㪇 㪊㪌㪇 㪋㪇㪇 㪋㪌㪇 㪌㪇㪇
㪇 㪇㪅㪇㪈 㪇㪅㪇㪉 㪇㪅㪇㪊 㪇㪅㪇㪋 㪇㪅㪇㪌 䈵䈝䉂
ᔕജ䋨㪥㪆㫄㫄㪉䋩
㪉㪇㷄 㪈㪇㪇㷄 㪉㪇㪇㷄 㪋㪇㪇㷄 㪍㪇㪇㷄
㪏㪇㪇㷄
㪈㪇㪇㪇㷄
㪇 㪈㪇㪇 㪉㪇㪇 㪊㪇㪇 㪋㪇㪇 㪌㪇㪇 㪍㪇㪇 㪎㪇㪇
㪇 㪇㪅㪇㪈 㪇㪅㪇㪉 㪇㪅㪇㪊 㪇㪅㪇㪋 㪇㪅㪇㪌 䈵䈝䉂
ᔕജ䋨㪥㪆㫄㫄㪉䋩
㪉㪇㷄 㪈㪇㪇㷄 㪋㪇㪇㷄 㪌㪌㪇㷄 㪏㪇㪇㷄
㪈㪇㪇㪇㷄
㪇 㪈㪇㪇 㪉㪇㪇 㪊㪇㪇 㪋㪇㪇 㪌㪇㪇 㪍㪇㪇 㪎㪇㪇
㪇 㪇㪅㪇㪈 㪇㪅㪇㪉 㪇㪅㪇㪊 㪇㪅㪇㪋 㪇㪅㪇㪌 䈵䈝䉂
ᔕജ䋨㪥㪆㫄㫄㪉䋩
㪉㪇㷄 㪈㪇㪇㷄 㪋㪇㪇㷄 㪌㪌㪇㷄 㪏㪇㪇㷄
㪈㪇㪇㪇㷄
Უ᧚ ṁ㊄
a.ࠬ࠹ࡦࠬ㍑㧔ࠪࡘ࠙࠼ࡕ࠶ࠢࠕ࠶ࡊ⹜㛎ታ᷹୯㧕
Უ᧚ ṁ㊄
නᤨ㑆ᾲ㊂
ᾲ
ᤨೞ
㨠㧝 㨠2 㨠3 0
࿑㧯㧙㧡 ᾲߩᗐቯ
㪄㪋㪇㪇㪅㪇 㪄㪉㪇㪇㪅㪇 㪇㪅㪇 㪉㪇㪇㪅㪇 㪋㪇㪇㪅㪇
㪇㪅㪇 㪇㪅㪉 㪇㪅㪋 㪇㪅㪍 㪇㪅㪏 㪈㪅㪇
᧼ෘᣇะ⟎
ᔕജ䋨㪥 㪆㫄 㫄
㪉㪀
ᢿ㕙䋱 ᢿ㕙䋲
㧔ౝ㧕 㧔ᄖ㧕
ᢿ㕙㧝
ᢿ㕙2
࿑㧯㧙㧢a 㧴㧠⛮ᚻߩᱷ⇐ᔕജಽᏓ㧔ゲᣇะ㧧 㐿వߩ႐ว㧕
㪄㪊㪇㪇 㪄㪉㪇㪇 㪄㪈㪇㪇 㪇 㪈㪇㪇 㪉㪇㪇 㪊㪇㪇 㪋㪇㪇
ゲᣇะᱷ⇐ᔕജ㩿㪥㪆㫄㫄㪉 㪀
⹏ଔᢿ㕙䋱
⹏ଔᢿ㕙䋲 ᢿ㕙㧝
ᢿ㕙㧞
㪄㪋㪇㪇㪅㪇 㪄㪉㪇㪇㪅㪇 㪇㪅㪇 㪉㪇㪇㪅㪇 㪋㪇㪇㪅㪇
㪇㪅㪇 㪇㪅㪉 㪇㪅㪋 㪇㪅㪍 㪇㪅㪏 㪈
᧼ෘᣇะ⟎
ᔕജ䋨㪥㪆㫄㫄㪉 㪀
㪅㪇 ᢿ㕙䋱
ᢿ㕙䋲 ᢿ㕙䋳 ᢿ㕙䋴
䋨ౝ䋩 䋨ᄖ䋩
ᢿ㕙䋱 ᢿ㕙㪉 ᢿ㕙㪊 ᢿ㕙㪋
࿑㧯㧙㧣a 㧴㧣⛮ᚻߩᱷ⇐ᔕജಽᏓ㧔ゲᣇะ㧧ࠪࡘ࠙࠼ࠨࡐ࠻ࡦࠣߩࠤࠬ㧕
-400.0 -200.0 0.0 200.0 400.0
0.0 0.2 0.4 0.6 0.8 1.0
ᢿ㕙㧝 ᢿ㕙㧞 ᢿ㕙㧟
ᔕജ㧔 N/ m m
2᧼ෘᣇะ⟎
ᢿ㕙 ᢿ㕙 ᢿ㕙
ᢿ㕙 ᢿ㕙
㧔ౝ㧕 㧔ᄖ㧕
ᢿ㕙
࿑㧯㧙㧣㨎 *㧣⛮ᚻߩᱷ⇐ᔕജ㧔ゲᣇะ㧧ࠪࡘ࠙࠼ࠨࡐ࠻ࡦࠣήߒߩࠤࠬ㧕
190.5 11
40
75030076.2
Ǿ4432.3 40
࿑C-㧤 ⹜㛎ᒻ⁁
ࠣ࡞ࡇࡦࠣߒߚฦṁធࡄࠬᚑጀᤨߩ 㕖ቯᏱ᷷ᐲಽᏓ⸃ᨆ⚿ᨐ
ṁ㊄ࡕ࠺࡞ߩ
⚵ߺㄟߺ ోࡕ࠺࡞ߢߩᒢ
႟ᕈᄢᄌᒻ⸃ᨆ
࿑㧯㧙ߩṁធᚻ㗅
࿑% ⸃ᨆᚻ㗅
㪇 㪌㪇 㪈㪇㪇 㪈㪌㪇 㪉㪇㪇 㪉㪌㪇 㪊㪇㪇 㪊㪌㪇 㪋㪇㪇 㪋㪌㪇 㪌㪇㪇
㪇 㪇㪅㪇㪈 㪇㪅㪇㪉 㪇㪅㪇㪊 㪇㪅㪇㪋 㪇㪅㪇㪌 䈵䈝䉂
ᔕജ䋨㪥㪆㫄㫄㪉䋩
㪉㪇㷄
㪈㪇㪇㷄 㪋㪇㪇㷄 㪍㪇㪇㷄 㪏㪇㪇㷄
㪈㪇㪇㪇㷄 㪇 㪌㪇 㪈㪇㪇 㪈㪌㪇 㪉㪇㪇 㪉㪌㪇 㪊㪇㪇 㪊㪌㪇 㪋㪇㪇 㪋㪌㪇 㪌㪇㪇
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ᔕജ䋨㪥㪆㫄㫄㪉䋩
㪉㪇㷄 㪈㪇㪇㷄 㪉㪇㪇㷄 㪋㪇㪇㷄 㪍㪇㪇㷄
㪏㪇㪇㷄
㪈㪇㪇㪇㷄
Უ᧚ ṁ㊄
࿑㧯㧙11 ‛ᕈ୯
0 㨠㧝 㨠2 㨠3
ᤨೞ
ᾲ
නᤨ㑆ᾲ㊂
࿑㧯㧙㧝㧞 ᾲߩᗐቯ
ઃ㍳㧰 ࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑߅ࠃ߮ࠗࡦࠦࡀ࡞ 182 ߩSCCㅴዷ✢࿑ߩ⸳ቯߦߟߡ
1. ⋡⊛
ࠪࡘ࠙࠼╬Ἱౝ᭴ㅧ‛ߩὐᬌ⹏ଔᬌ⸛ߦ↪ࠆࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑ޔ߅ ࠃ߮࠾࠶ࠤ࡞ၮว㊄ߩ SCCㅴዷ✢࿑ߩ⸳ቯߦߟߡᬌ⸛ࠍⴕ߁ޕ
2. ⁁⺞ᩏ
ࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑ߩSCCㅴዷㅦᐲߦ㑐ߒߡ㧘࿖ౝᄖߢߩⷙቯߩ⁁ᴫࠍ
D-1 ߦ߹ߣߚޕ
㧞㧚㧝 ⛽ᜬⷙᩰ㧝 㧕ߢߩขࠅᛒ
JSME⊒㔚↪ේሶജ⸳ⷙᩰ⛽ᜬⷙᩰJSME S NA1-2000ߢߪ㈩▤↪ߩㅢᏱ৻ᰴ♽
᳓⾰ⅣႺਛ߮᳓⚛ᵈⅣႺਛߩ✢࿑߇ⷙቯߐࠇߡࠆޕ
㧞㧚㧞 ASME Code Sec.XI App.C C3220㧞 㧕ߢߩขࠅᛒ
ࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑ߩ㧿㧯㧯ㅴዷ⹏ଔߪ App.C C-3220ߦⷙቯ߇ࠆ߇㧘 㧿㧯㧯ㅴዷ✢࿑ߪⷙቯߒߡߥޕ
㧞㧚㧟 ASME એᄖߩᶏᄖၮḰߩขࠅᛒ
ASMEએᄖߢߪ☨࿖NRC NUREG-0313 Rev.2㧟 㧕߮ࠬ࠙ࠚ࠺ࡦSKIFS㧠 㧕ߦⷙቯ ߇ࠆޕ
NRC NUREG-0313 Rev.2 ߢߪ࿑ D-1 ߦ␜ߔ✢࿑߇ᔕജᄢଥᢙ K ߇ 10ksiлin 㧔11MPaлm㧕㨪28.5ksiлin㧔31.3MPaлm㧕ߩ▸࿐ߢⷙቯߐࠇߡࠆޕ
ࠬ࠙ࠚ࠺ࡦ SKIFS ࠼ࡈ࠻ߢߪ D-2 ߦ␜ߔࠃ߁ߦㅢᏱ᳓⾰߮᳓⚛ᵈ᧦ઙ ߢߩ✢࿑߇⸳ቯߐࠇߡࠆޕ
߹ߚ㧘☨࿖ߢߪ㕖㐿ߢߪࠆ߇BWRVIP㧡 㧕߇✢࿑ࠍ⸳ቯߒߡࠆޕ
㧞㧚㧠 ࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑ߩ SCCㅴዷ࠺࠲߮ SCCㅴዷ⹏ଔᴺߩ⺞ᩏ
NUREG-0313 Rev.2 ߩࡃ࠶ࠢ࠺࠲㧘JanssonߣMorin 㧢 㧕㧘Jones 㧣 㧕㧘Molander ߣJanssen㧤 㧕㧘Molanderࠄ㧥 㧕㧘Kikuchiࠄ㧝 㧜 㧕㧘Lungberg㧝 㧝 㧕㧘Sudoࠄ㧝 㧞 㧕߮BWR 㔚ജห⎇ⓥ㧝 㧟 㧕 㧘 㧝 㧠 㧕ߢࠆޕ
ߥ߅㧘NRC NUREG-0313 Rev.2 ߩၮߦߥߞߚ࠺࠲ߦߟߡߪ㧘Hornࠄ㧝 㧡 㧕㧘 Sec.XI Task Group㧝 㧢 㧕㧘߮NRC NUREG-0313 Rev.2ߩႎ๔ߦ⸥タߐࠇߡࠆ࠺
࠲ߢࠆޕߎࠇࠄߩႎ๔ߦࠃࠇ߫㧘᧚⾰ߪType 304㧘⹜㛎ⅣႺ᧦ઙߪዉ㔚₸߇ 0.5 㨪1ǴS/cm㧘ṁሽ㉄⚛߇ 0.2㨪8ppm㧘᳓᷷ 288͠㧘߮ᔕജᄢଥᢙ߇⚂ 10ksiлin 㨪62ksiлinߩบᒻᵄࠆߪቯ⩄㊀⹜㛎⚿ᨐߢࠆޕߥ߅㧘ⅣႺ᧦ઙߩዉ㔚₸ߪㅢᏱ ߩBWRߩ৻ᰴ♽᳓⾰㧔㧨0.2ǴS/cm㧕ࠃࠅ㜞ዉ㔚₸ߩ᳓⾰ⅣႺߩ࠺࠲ߣߥߞߡ
ࠆޕ
ࠬ࠙ࠚ ࠺ ࡦSKIFS࠼ ࡈ࠻ߢ ߪ 㧘MorinߣJansson㧝 㧣 㧕ߦ⸥タߐ ࠇ ߡࠆ࠺ ࠲ ࠍၮߦ✢࿑ࠍ⸳ቯߒߡࠆޕߚߛߒ㧘ᓐࠄߩႎ๔ߪ㕖㐿ߩ⾗ᢱߢࠅ㧘⚦ߪਇ
ߢࠆޕ߹ߚ㧘JanssonߣMorinߩႎ๔㧢 㧕ߢߪㅢᏱἹ᳓᧦ઙ߮᳓⚛ᵈ᧦ઙߢߩᢥ
₂࠺࠲ࠍၮߦ✢࿑ࠍᬌ⸛ߒߡࠆޕ
߹ߚ㧘Itowࠄ㧝 㧤 㧕߮ᦨㄭߩ㔚ജ⎇㧝 㧥 㧕ߢߪ㜞⣣㘩㔚㗔ၞߩSUS304ߩSCC߈ ⵚㅴዷㅦᐲ߇ᓧࠄࠇߡࠆޕ
ߎߩઁ㧘⊒㔚ᛛᬌࡊࡦ࠻㐳ኼൻᛛⴚ㐿⊒(PLEX㧘ᤘ 60ᐕᐲ㨪ᐔᚑ8ᐕᐲ)ࡊ ࡠࠫࠚࠢ࠻㧞 㧜 㧕ߢߪ㧘D-3 ߦ␜ߔἹ᳓ⅣႺਛߢߩSUS304 ߩਛᕈሶᾖ᧚߮㕖ᾖ
᧚ߩㅴዷ੍᷹ᣇᴺࠍᚑߒߡࠆޕ
߹ߚ㧘ૐ⚛ࠬ࠹ࡦࠬ㍑㧔SUS304L㧘SUS316L㧘316NG㧕ߩSCCㅴዷㅦᐲߦ㑐ߒ ߡߪ㧘Ford㧞 㧝 㧕߮㔚ജ⎇㧝 㧥 㧕 㧘 㧞 㧞 㧕ߢ࠺࠲߇߹ߣࠄࠇߡࠆޕFordߩ࠺࠲
ߪNUREG-0313Rev.2ߩSCCㅴዷ✢࿑ߣߩᲧセ߇ⴕࠊࠇߡ߅ࠅ㧘ห✢࿑ࠍ߃ࠆ࠺
࠲߽ࠆ߇㧘⹜㛎᧦ઙ߇⏕ߢߪߥޕ৻ᣇ㧘㔚ജ⎇ߩߘࠇߪ࠺࠲ᢙߪዋߥ߇
⹜㛎᧦ઙ߇⏕ߢࠆޕ
㧟㧚ࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑ߩ SCC߈ⵚㅴዷㅦᐲߩቯᑼൻߩᬌ⸛
㜞ᾖ㗔ၞ㧔51024n/m2㧕એߣߥࠆߣ㧘ઃ㍳㧮ߦ␜ߔࠃ߁ߦᾖߦࠃࠆSCCᗵฃ ᕈ߇ࠇࠆߎߣ߇␜ߐࠇߡࠆޕἹౝࠍኻ⽎ߣߔࠆ႐ว㧘Ἱᔃㇱߦㄭ㜞ᾖ㗔ၞߣἹ ᔃㇱ߆ࠄ㔌ࠇ㧘ᾖߩᓇ㗀߇Ყセ⊛ዋߥߣ⠨߃ࠄࠇࠆ㗔ၞ߇ࠆߩߢ㧘ᧄ㗄ߢߪ㧘Ყ
ᧄ㗄ߢߪ㍈ᢅൻ SUS304߮ૐ⚛ࠬ࠹ࡦࠬ㍑㧔SUS304L㧘SUS316L㧘316NG㧕 ߩㅢᏱἹౝ᳓⾰ⅣႺਛ߮᳓⚛ᵈⅣႺਛߦ߅ߌࠆ SCC ㅴዷㅦᐲ⹏ଔ✢࿑ߩ⸳ቯࠍኻ
⽎ߣߒߡᬌ⸛ࠍⴕ߁ޕ
㧟㧚㧝㧚㧝 ㅢᏱἹౝ᳓⾰ⅣႺਛ
ㅢᏱἹౝ᳓⾰ⅣႺਛߩ࠺࠲ߣߒߡ㧘⛽ᜬⷙᩰߦ߅ߌࠆ್ቯ᧦ઙߩ⸳ቯࠍෳ⠨
ߦߒߡἹౝ ߩㅢᏱ᳓⾰ ߩⷰὐ߆ࠄ એਅߩ್ቯ ၮḰࠍ⸳ቯ ߒ㧘࠺࠲ ࠍㆬᛯߒߚ ޕ
⚿ᨐࠍD-4 ߦ␜ߔޕ
RᲧ(Kmin㧛Kmax) ҈0.9
⩄㊀➅ࠅߒᵄᢙ ҇2.510-4Hz ዉ㔚₸ 㧨0.2ǴS/cm
⣣㘩㔚㧔ECP㧕 ҈150mVSHE
⎫㉄ࠗࠝࡦỚᐲ ҇5ppb Ⴎ㉄ࠗࠝࡦỚᐲ ҇5ppb ߚߛߒ㧘಄㑆ടᎿ᧚ߪ㒰ߊޕ
㧔㧝㧕㍈ᢅൻ SUS304
D-4 ߦ␜ߔ⸥ㆬᛯၮḰࠍḩ⿷ߔࠆ࠺࠲ߦNUREG-0313 Rev.2ߩ✢࿑
߮ SKIFS ࠼ ࡈ ࠻ ߩ ㅢ Ᏹ Ἱ ᳓ ߩ ✢ ࿑ ࠍ ㊀ ߨ ߡ ࿑ D-2 ߦ ␜ ߔ ޕ ห ࿑ ߆ ࠄ NRC
NUREG-0313 Rev.2ߩ✢࿑㧘SKIFSߩ✢࿑ߦ⊛ߣߥࠆߎߣ߇␜ߐࠇߚޕ
߹ߚ࿑ D-3 ߦߪ㧘PLEDGE ࡕ࠺࡞ߦࠃࠆ੍᷹✢࿑߽วࠊߖߡ␜ߒߚ߇㧘ߕࠇ
߽࠺࠲ߩ㒢ߦ⟎ߒߡࠆޕJanssonߣ Morinߩႎ๔ߩSCC⹏ଔ✢࿑ࠍ࿑
D-3 ߦࠊߖߡ␜ߔ߇㧘ߘࠇߪ⸥ߩ✢࿑ߦᲧߴૐ୯ࠍ␜ߒߡࠆޕ
એߩᬌ⸛߆ࠄ㧘࿑ D-4 ߦ␜ߔࠃ߁ߥ㧘⸥ㆬᛯၮḰߦᓥ߁࠺࠲ࠍ൮⛊ߒ㧘
߆ߟ NRC NUREG-0313 Rev.2 ߩ✢࿑ߣห৻ߩ߈ࠍߔࠆ✢࿑ࠍㅢᏱἹౝ᳓
⾰ⅣႺਛߦ߅ߌࠆ✢࿑ߣߒߡⷙቯߔࠆޕ
ߥ߅㧘ૐK୯㗔ၞߢߪ㧘࠺࠲߇ߥߩߢ2.010-9mm/sએਅߣ⠨߃ࠄࠇࠆ㗔
ၞ߇ሽߔࠆߣቯߒߡ㧘ߦ 2.010-9mm/sߣߒߡ⸳ቯߒߚޕ
৻ᣇ㧘㜞K୯㗔ၞߢߪ㧘࠺࠲߇ 9.210-7mm/sߢ৻ቯߣߥࠆะߦࠆߎߣ
SUS304 ߩ੍᷹✢࿑ࠍ㊀ߨߡ࿑ D-5 ߦ␜ߔޕߎࠇߦࠃࠇ߫㧘PLEDGE ࡕ࠺࡞ߦ ࠃࠆ੍᷹✢࿑ߪ࠺࠲ߩਅ㒢ߦ⟎ߒߡࠆޕ
એߩᬌ⸛߆ࠄ㧘࿑ D-6 ߦ␜ߔࠃ߁ߥޔ⸥ㆬᛯၮḰߦᓥ߁࠺࠲ࠍ൮⛊ߒ㧘
߆ߟ NRC NURE-0313 Rev.2ߩ✢࿑ߣห৻ߩ߈ࠍߔࠆ✢࿑ࠍㅢᏱἹౝ᳓⾰
ⅣႺਛߦ߅ߌࠆ✢࿑ߣߒߡⷙቯߔࠆޕ
ߥ߅㧘ૐK୯㗔ၞߢߪ㧘࠺࠲߇ߥߩߢ㍈ᢅൻSUS304 ߣห᭽ߦ 2.010-9
mm/sએਅߣ⠨߃ࠄࠇࠆ㗔ၞ߇ሽߔࠆߣቯߒߡߦ 2.010-9mm/sߣߒ
ߡ⸳ቯߒߚޕ
৻ᣇ㧘㜞K ୯㗔ၞߢߪ㧘㍈ᢅൻSUS304ߣหߓK୯એߢ SCCㅴዷㅦᐲ߇৻
ቯߦߥࠆߣߒߡ⸳ቯߒߚޕ
da/dt㧩2.110-7mm/s㧔K㧪57.9 MPaлm㧕 (2)
㧟㧚㧝㧚㧞 ᳓⚛ᵈⅣႺਛ
᳓⚛ᵈⅣႺਛߩ࠺࠲ࠍㅢᏱἹౝ᳓⾰ⅣႺਛߩ࠺࠲ㆬᛯၮḰߣห᭽ߩ⠨߃ᣇ ߢએਅߩ್ቯၮḰࠍ⸳ቯߒ㧘࠺࠲ࠍㆬᛯߒߚޕ⚿ᨐࠍ D-5ߦ␜ߔޕ
RᲧ(Kmin㧛Kmax) ҈0.9
⩄㊀➅ࠅߒᵄᢙ ҇2.510-4Hz ዉ㔚₸ 㧨0.2ǴS/cm
⣣㘩㔚㧔ECP㧕 ҇㧙200mVSHE
⎫㉄ࠗࠝࡦỚᐲ ҇5ppb Ⴎ㉄ࠗࠝࡦỚᐲ ҇5ppb
ߚߛߒ㧘಄㑆ടᎿ᧚ߪ㒰ߊޕ
㧔㧝㧕㍈ᢅൻ SUS304
㍈ᢅൻSUS304 ߦኻߒߡߪ⸥್ቯၮḰߦᓥ߁✢࿑߇࿑D-7 ߦ␜ߔࠃ߁ߦ㧘ᣢ ߦJSME⛽ ᜬⷙ ᩰߦ ⷙ ቯߒ ߡ ࠆ ߩߢ ߘࠇ ࠍ ↪ ߔࠆ ޕ ߚߛ ߒ㧘 ૐK୯ 㗔ၞ ߢߪ ㅢᏱἹౝ᳓⾰ⅣႺਛߩ߈ⵚㅴዷㅦᐲߣห᭽ߦ 2.010-9mm/sࠍSCCㅴዷㅦᐲߣߔ ࠆޕ৻ᣇ㧘㜞K୯㗔ၞߢߪ㍈ᢅൻSUS304 ߩㅢᏱἹౝ᳓⾰ⅣႺਛߩSCCㅴዷㅦᐲ
␜ߒߡ߅ࠅ㧘ᅷᒰߣ್ᢿߐࠇࠆޕ 㧔㧞㧕ૐ⚛ࠬ࠹ࡦࠬ㍑
ૐ ⚛ ࠬ ࠹ ࡦ ࠬ ㍑ ߦ ߟ ߡ ߩ ᳓ ⚛ ᵈ Ⅳ Ⴚ ਛ ߩSCCㅴ ዷ ㅦ ᐲ ࠺ ࠲ ࠍ ࿑ ߦ
␜ߒߚ߽ߩ߇࿑D-9 ߢࠆޕ⁁ߢߪ᳓⚛ᵈⅣႺਛߩ࠺࠲ߪߕࠇ߽110-9 mm/sએਅߣߥࠆ࠺࠲ߩߺߢߞߚޕ
ᓥߞߡ᳓⚛ᵈⅣႺਛߩૐ⚛ࠬ࠹ࡦࠬ㍑ߩ SCC ㅴዷㅦᐲߦߟߡߪએਅ ߩࠃ߁ߦߒߡ⸳ቯߒߚޕ
㍈ᢅൻ SUS304 ߩ᳓⚛ᵈⅣႺਛߩ SCC ㅴዷㅦᐲߪ SKIFS ߢߪㅢᏱ᳓⾰ߩ
1/10 એਅߦ⸳ቯߒߡࠆߎߣ㧘JSME⛽ᜬⷙᩰߦ߅ߡߪ1/8⒟ᐲߦ⸳ቯߒߡ
ࠆߎߣ߆ࠄ㧘ૐ⚛ࠬ࠹ࡦࠬ㍑ߩ᳓⚛ᵈⅣႺਛߩ SCC ㅴዷㅦᐲࠍㅢᏱἹౝ
᳓⾰ⅣႺਛߩ 1/10 ߩㅴዷㅦᐲߣߒߡ⸳ቯߔࠇ߫ߦ⹏ଔߔࠆ✢࿑ߣߥࠆߣ
⠨߃ࠄࠇࠆޕ
߹ ߚ 㧘 ૐK୯ 㗔 ၞ ߢ ߪ ㅢ Ᏹ Ἱ ౝ ᳓ ⾰ Ⅳ Ⴚ ਛ ߩ ߈ ⵚ ㅴ ዷ ㅦ ᐲ ߣ ห ᭽ ߦ 2.0
10-9mm/sࠍSCCㅴዷㅦᐲߣߔࠆޕ৻ᣇ㧘㜞K୯㗔ၞߢߪ㍈ᢅൻSUS304ߩㅢᏱἹ
ౝ᳓⾰ⅣႺਛߩSCCㅴዷㅦᐲߣหߓK୯એߢSCCㅴዷㅦᐲ߇৻ቯߦߥࠆߣߒߡ
⸳ቯߒߚޕ
da/dt㧩2.110-8mm/s㧔K㧪57.9 MPaлm㧕 (4)
࿑ D-10ߦߪᧄ⹏ଔ✢࿑ߣ᳓⚛ᵈⅣႺਛߦ߅ߌࠆ㕖㍈ᢅൻ SUS304ࠍኻ⽎ߣ
ߒߚ PLEDGE ࡕ࠺࡞ࠍวࠊߖߡ␜ߔ߇㧘߶߷ห╬ߩ୯ࠍ␜ߒߡ߅ࠅ㧘ૐ⚛ࠬ
࠹ࡦࠬ㍑ߩ✢࿑ߣߒߡߪߣߥࠆߣ್ᢿߐࠇࠆޕ
㧟㧚㧞 㜞ᾖ㗔ၞ㧔ਛᕈሶᾖ㊂҈51024n/m2㧕
ਛ ᕈ ሶ ᾖ ߦ ࠃ ࠅ ⊒ ↢ ߔ ࠆ ⽎ ࠍ ข ࠅ ࠇ ߚ SUS304 ߩ SCC ㅴ ዷ ㅦ ᐲ ᑼ
(PLEDGE)߇㧘⊒㔚ᛛᬌࡊࡦ࠻㐳ኼൻᛛⴚ㐿⊒(PLEX㧘ᤘ 60 ᐕᐲ㨪ᐔᚑ 8 ᐕ
ᐲ)ߦ߅ߡᚑߐࠇߡࠆޕหㅴዷᑼࠍએਅߦ␜ߔޕૐ⚛ࠬ࠹ࡦࠬ㍑㧔SUS304L㧘
SUS316L㧘316NG㧕ߪ⠴ SCCᕈ߇ SUS304ࠃࠅ߽㜞ߣ⠨߃ࠄࠇࠆ߇㧘หㅴዷㅦᐲ
ᑼࠍ㜞ᾖ㗔ၞߩ SUS304 ߮ૐ⚛ࠬ࠹ࡦࠬ㍑ߩ SCC ㅴዷㅦᐲᑼߣߒߡ↪ߔ
Cߪ㧘߈ⵚవ┵߭ߕߺㅦᐲᱜଥᢙߢએਅߩㅢࠅߢࠆޕ (i) ਛᕈሶᾖ㊂߇ 1.41023(n/m2)એਅߩ႐ว
C=4.110-14 (6) (ii) ਛᕈሶᾖ㊂߇ 1.41023(n/m2)ࠍ߃㧘31025(n/m2)એਅߩ႐ว C=1.1410-13 ln(ਛᕈሶᾖ㊂)㧙4.9810-12 (7) (iii) ਛᕈሶᾖ㊂߇ 31025(n/m2)ࠍ߃ࠆ႐ว
C=6.5910-13 (8) 㧔න㧦da/dt㧔mm/s㧕㧘K㧔MPaлm㧕㧕
㧠㧚ࠝࠬ࠹࠽ࠗ࠻♽ࠬ࠹ࡦࠬ㍑ߩ SCCㅴዷ✢࿑ߩ߹ߣ
એ߆ࠄ㧘㍈ᢅൻ SUS304߮ૐ⚛ࠬ࠹ࡦࠬ㍑㧔SUS304L㧘SUS316L㧘316NG㧕 ߩૐᾖ㗔ၞ߮㜞ᾖ㗔ၞߩSCCㅴዷㅦᐲ✢࿑ߩቯᑼൻࠍᬌ⸛ߒߚޕߘߩ⚿ᨐ㧘એਅ ߦ␜ߔㅴዷㅦᐲᑼࠍឭ᩺ߒߚޕ
㧠㧚㧝 ૐᾖ㊂㗔ၞ 㧔ਛᕈሶᾖ㊂㧨51024n/m2㧕
㧠㧚㧝㧚㧝 ㅢᏱἹౝ᳓⾰ⅣႺਛ㧔ዉ㔚₸㧨0.2ǴS/cm㧘ECP҈150mVSHE㧕 㧔㧝㧕㍈ᢅൻ SUS304
da/dt㧩1.4310-10K2.161㧔3.4҇K҇57.9㧕 (9) da/dt㧩2.010-9㧔K㧨3.4㧕 (10)
da/dt㧩9.210-7㧔K㧪57.9㧕 (11)
㧔㧞㧕ૐ⚛ࠬ࠹ࡦࠬ㍑
da/dt㧩3.3310-11K2.161㧔6.7҇K҇57.9㧕 (12) da/dt㧩2.010-9㧔K㧨6.7㧕 (13) da/dt㧩2.110-7㧔K㧪57.9㧕 (14)
㧔න㧦da/dt㧔mm/s㧕㧘K㧔MPaлm㧕㧕
એ㧘ㅢᏱἹౝ᳓⾰ⅣႺਛߩSCCㅴዷ⹏ଔ✢࿑ࠍ࿑D-11ߦ␜ߔޕ
da/dt㧩5.110-8㧔K㧪57.9㧕 (17)
㧔㧞㧕ૐ⚛ࠬ࠹ࡦࠬ㍑
da/dt㧩3.3310-12K2.161㧔19.3҇K҇57.9㧕 (18)
da/dt㧩2.010-9㧔K㧨19.3㧕 (19) da/dt㧩2.110-8㧔K㧪57.9㧕 (20)
㧔න㧦da/dt㧔mm/s㧕㧘K㧔MPaлm㧕㧕
એ㧘᳓⚛ᵈⅣႺਛߩ SCCㅴዷ⹏ଔ✢࿑ࠍ࿑ D-12ߦ␜ߔޕ
㧠㧚㧞 㜞ᾖ㊂㗔ၞ㧔ਛᕈሶᾖ㊂҈51024n/m2㧕
SUS304߮ૐ⚛ࠬ࠹ࡦࠬ㍑
da/dt=7.810-2n3.6(CK4)n (21) ߎߎߦ㧘㨍ߪ߈ⵚߩᷓߐ
nߪ㧘⣣㘩㔚㧘ዉ㔚₸㧘㍈ᢅൻᐲ߮ਛᕈሶᾖ㊂ࠍࡄࡔ࠲ߣ ߔࠆ߈ⵚవ┵㔚ᵹኒᐲᄌൻߦኻߔࠆቯᢙ
Cߪ㧘߈ⵚవ┵߭ߕߺㅦᐲᱜଥᢙߢએਅߩㅢࠅߢࠆޕ (i) ਛᕈሶᾖ㊂߇1.41023n/m2એਅߩ႐ว
C=4.110-14 (22) (ii) ਛᕈሶᾖ㊂߇1.41023n/m2ࠍ߃㧘31025(n/m2)એਅߩ႐ว
C=1.1410-13 ln(ਛᕈሶᾖ㊂)㧙4.9810-12 (23) (iii) ਛᕈሶᾖ㊂߇31025n/m2ࠍ߃ࠆ႐ว
C=6.5910-13 (24) 㧔න㧦da/dt㧔mm/s㧕㧘K㧔MPaлm㧕㧕
5. ࠾࠶ࠤ࡞ၮว㊄ߩSCC߈ⵚㅴዷㅦᐲߩ⸳ቯ
࿑ D-13ߦㆬቯߒߚ࠺࠲ࠍ␜ߔޕㆬቯߒߚో࠺࠲ߩ⚥ਸ਼ㄭૃߦࠃࠅޔSCC߈ⵚㅴ ዷㅦᐲߩᦨㆡᦛ✢ࠍએਅߩࠃ߁ߦ⸳ቯߒߚޕߎߎߦda/dt(m/sec)ޔK(MPaлm)ߢࠆޕ da/dt㧩310-18K5.186㧔13.3҇K҇50.3㧕 (25)
ߥ߅ޔૐK㗔ၞߢߪޔ߈ⵚㅴዷ߇ⷰኤߐࠇߕ210-12 m/secએਅߣ⠨߃ࠄࠇࠆ㗔ၞ߇ሽ
ߔࠆߚޔ(25)ᑼߢ 210-12m/secߣߥࠆK=13.3MPaлmએਅߩૐK㗔ၞࠍએਅߩࠃ߁ ߦ⸳ቯߒߚޕ
da/dt㧩210-12㧔K㧨13.3㧕 (26)
৻ᣇޔ㜞K㗔ၞߢߪޔ࠺࠲߇210-9m/secߢ৻ቯߣߥࠆะߦࠆߎߣ߆ࠄޔ(2)ᑼߢ
210-9m/secߣߥࠆK=50.3MPaлmࠍ߃ࠆ㜞K㗔ၞࠍએਅߩࠃ߁ߦ⸳ቯߒߚޕ
da/dt㧩210-9㧔K㧪50.3㧕 (27)
એߩᬌ⸛߆ࠄޔ⸳ቯߒߚࠗࡦࠦࡀ࡞ 182 ߩㅢᏱἹ᳓ⅣႺਛߩ SCC ㅴዷㅦᐲ✢࿑ࠍ࿑
D-14ߦ␜ߔޕ
ߥ߅㧘㍈ᢅൻ SUS304ޔ߅ࠃ߮ૐ⚛ࠬ࠹ࡦࠬ㍑ߩㅢᏱἹౝ᳓⾰ⅣႺਛ߮᳓⚛ᵈ
ⅣႺਛߩૐ K 㗔ၞ߮㜞 K 㗔ၞߩ࠺࠲ߪ᳃㑆⎇ⓥߢขᓧਛߢࠆޕ߹ߚޔ࠾
࠶ ࠤ ࡞ ၮ ว ㊄ ߩ ㅢ Ᏹ Ἱ ౝ ᳓ ⾰ Ⅳ Ⴚ ਛ ߮ ᳓ ⚛ ᵈ Ⅳ Ⴚ ਛ ߩ ࠺ ࠲ ߽ ᳃ 㑆 ߅ ࠃ ߮ ࿖ ࡊ ࡠ ߢขᓧਛߢࠆޕᾖࠍ⠨ᘦߒߚࠬ࠹ࡦࠬ㍑ߩ SCC ㅴዷ࠺࠲߽࿖ࡊࡠߢขᓧ
੍ቯߢࠆޕᓥߞߡ㧘ᓟ㧘ᣂߚߥ࠺࠲߇ขᓧߐࠇߚ႐วߦߪᧄ⾗ᢱߢᬌ⸛ߒߚㅴዷ ㅦᐲᑼࠍㆡᤨߦ⋥ߒߡⴕߊߎߣߣߔࠆޕ
㧔ෳ⠨ᢥ₂㧕
1)㧔␠㧕ᣣᧄᯏ᪾ቇળ㧘ޟ⊒㔚↪ේሶജ⸳ⷙᩰ⛽ᜬⷙᩰޠ㧘JSME S NA1-2000㧘ᐔᚑ 12ᐕ5㧚
2) ASME Boiler and Pressure Vessel Code Sec. XI, The American Society of Mechanical Engineers, 1995, p397.
3) Hazelton W.S. and Koo W.H, Technical Report on Material Selection and Processing Guidelines for BWR Coolant Pressure Boundary Piping, U.S. Nuclear
Integrity Swedish Nuclear Power Inspectorate,Augst1996.
5) BWRVIP BWR Vessel and Internals Project,̌Evaluation of Crack Growth in Stainless Steel RPV Internals (BWRVIP-14)”, EPRI TR-105873, March 1996.
6) C.Jansson and U.Morin,̌Assessment of Crack Growth Rates in Austenitic Stainless Steels in Operating BWRs ,̍Proc. of the 8th International Symposium on Environmental Degradation of Materials in Nuclear Power Systems, ANS, La Grange Park, IL, August 1997.
7) R.L.Jones,̌Some Critical Corrosion Issues and Mitigation Strategies Affecting Light Water Reactors,̍Material Performance, July 1996.
8) A.Molander and C.Janssen,̌In Situ Corrosion Potential Monitoring in Swedish BWRs,̍Proc. of the 5th International Symposium on Environmental Degradation of Materials in Nuclear Power Systems, ANS, La Grange Park, IL, p.118 August 1991.
9) A.Molander et al,̌Influence of Flow-rate on Critical Potential for IGSCC of Stainless Steel in Simulated BWR Environment – A SSRT Study,̍ Proc. of the 8th International Symposium on Environmental Degradation of Materials in Nuclear Power Systems, ANS, La Grange Park, IL, August 1997.
10) E.Kikuchi et al,̌Intergranular Stress Corrosion Crack Growth of Sensitized Type 304 Stainless Steel in a Simulated Boiling-Water Reactor Environment,̍Corrosion Vol.53, No.4, P.307 (1997).
11) L.Lungberg,̌BWR Water Chemistry Impurity Studies, Volume 3: Fracture Mechanics Studies,̍EPRI NP-6773-SD (March, 1990).
12) A.Sudo and M.Itow, ̌ SCC Propagation of Sensitized Materials in BWR Environment,̍Proc. of the International Symposium on Plant Aging and Life Predictions of Corrodible Structures, p.903, May 15-18, 1995, Sapporo, Japan.
13) 㔚ജห⎇ⓥޟ㐳ᦼ᳓⚛ᵈߦࠃࠆ⣣㘩ⅣႺᡷༀᛛⴚ⹏ଔ⎇ⓥޠᐔᚑ8ᐕᐲਅඨᦼ㧔ᦨ
⚳ႎ๔ᦠ㧕㧔ᐔᚑ9ᐕ3㧕㧚
14) 㔚ജห⎇ⓥޟේሶἹ⣣㘩ⅣႺ߮᧚ᢱ⠴㘩ᕈ⹏ଔߦ㑐ߔࠆ⎇ⓥޠᐔᚑ 6ᐕᐲਅඨᦼ
Flaws in Austenitic Steel Piping, J. Of Pressure Vessel Technology, vol.8, p.366, ASME, 1986.
17) U.Morin and C.Jansson, ”Stress Corrosion Growth in BWR Environment㨮”MD-01 Rev.2㧔in Swedish㧕ޔSydkraft KonsultޔMalmo,Sweden,1996.
18) M.Itow et al.,̌SCC Crack Growth Rates of Type 304 Stainless Steel at High K Region in Simulated BWR Environment,”CORROSION 2000, Paper 00221.
19) 㔚ജห⎇ⓥޟૐ⚛♽ࠬ࠹ࡦࠬ㍑ߩ⠴IGSCC⹏ଔ⎇ⓥޠᐔᚑ12ᐕᐲඨᦼ㧔ᦨ
⚳ႎ๔ᦠ㧕㧔ᐔᚑ12 ᐕ9㧕㧚
20) (⽷)⊒㔚⸳ᛛⴚᬌᩏදળ㧘̌ ࡊࡦ࠻㐳ኼൻᛛⴚ㐿⊒ߦ㑐ߔࠆ⺞ᩏႎ๔ᦠ̍ᐔ
ᚑ8ᐕ3㧘pp113-118.
21) F.P.Ford,̌Quantitative Prediction of Environmentally Assisted Cracking,̍
CORROSION Vol.52, No.5, pp375-395, May (1996).
22) 㔚ജห⎇ⓥޟታᯏ᳓⚛ᵈࡊࡦ࠻ߦ߅ߌࠆ᧚ᢱ߈ⵚㅴዷ߮⣣㘩㔚⹏ଔޠᐔᚑ 11ᐕᐲਅඨᦼ㧔ᦨ⚳ႎ๔ᦠ㧕㧔ᐔᚑ 12ᐕ3㧕㧚
23)ห⎇ⓥ⚻ㆊႎ๔ᦠޟࠗࡦࠦࡀ࡞ṁធㇱߩ߈ⵚㅴዷ⹏ଔ⎇ⓥޠ㧔ᐔᚑ㧥ᐕ㧟㧕㧚 24) M.Itow et al.,̌Crack Growth Rates of Alloy 182 in High Temperature
Water,̍Seventh International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, August 1995.
25) M.Itow et al.,̌The Effect of Corrosion Potential on Alloy 182 Crack Growth Rate in High Temperature Water,̍Eighth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, August 1997.
26) U.Morin et al.,̌Crack Growth Rates for Ni-Base Alloys with the
Application to an Operating BWR, ̍ Sixth International Symposium on Environmental Degradation of Materials in Nuclear Power Systems - Water Reactors, August 1993.