JPH0344660B2 - - Google Patents
Info
- Publication number
- JPH0344660B2 JPH0344660B2 JP59269895A JP26989584A JPH0344660B2 JP H0344660 B2 JPH0344660 B2 JP H0344660B2 JP 59269895 A JP59269895 A JP 59269895A JP 26989584 A JP26989584 A JP 26989584A JP H0344660 B2 JPH0344660 B2 JP H0344660B2
- Authority
- JP
- Japan
- Prior art keywords
- chromium
- molybdenum steel
- current density
- minimum current
- polarization curve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 32
- 239000010959 steel Substances 0.000 claims description 32
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 claims description 27
- 230000010287 polarization Effects 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 17
- 230000032683 aging Effects 0.000 claims description 12
- 230000006866 deterioration Effects 0.000 claims description 11
- OXNIZHLAWKMVMX-UHFFFAOYSA-N picric acid Chemical compound OC1=C([N+]([O-])=O)C=C([N+]([O-])=O)C=C1[N+]([O-])=O OXNIZHLAWKMVMX-UHFFFAOYSA-N 0.000 claims description 7
- AUIXNZFZSGLHKP-UHFFFAOYSA-M sodium;2,3-dimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=CC(S([O-])(=O)=O)=C1C AUIXNZFZSGLHKP-UHFFFAOYSA-M 0.000 claims description 7
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 claims description 6
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 claims description 6
- 238000010408 sweeping Methods 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 229910052750 molybdenum Inorganic materials 0.000 claims description 4
- 239000011733 molybdenum Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 description 15
- 239000003792 electrolyte Substances 0.000 description 8
- 239000007864 aqueous solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 239000008151 electrolyte solution Substances 0.000 description 4
- 238000002161 passivation Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000011651 chromium Substances 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 238000002848 electrochemical method Methods 0.000 description 2
- 238000009863 impact test Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000007429 general method Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- GKOFYDFXPCSWBM-UHFFFAOYSA-M sodium;2,3,4-trimethylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C(C)=C1C GKOFYDFXPCSWBM-UHFFFAOYSA-M 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N17/00—Investigating resistance of materials to the weather, to corrosion, or to light
- G01N17/02—Electrochemical measuring systems for weathering, corrosion or corrosion-protection measurement
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental & Geological Engineering (AREA)
- Environmental Sciences (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Testing Resistance To Weather, Investigating Materials By Mechanical Methods (AREA)
- Investigating And Analyzing Materials By Characteristic Methods (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59269895A JPS61148362A (ja) | 1984-12-21 | 1984-12-21 | クロム・モリブデン鋼の経年劣化判定方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59269895A JPS61148362A (ja) | 1984-12-21 | 1984-12-21 | クロム・モリブデン鋼の経年劣化判定方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61148362A JPS61148362A (ja) | 1986-07-07 |
| JPH0344660B2 true JPH0344660B2 (de) | 1991-07-08 |
Family
ID=17478711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59269895A Granted JPS61148362A (ja) | 1984-12-21 | 1984-12-21 | クロム・モリブデン鋼の経年劣化判定方法 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61148362A (de) |
-
1984
- 1984-12-21 JP JP59269895A patent/JPS61148362A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61148362A (ja) | 1986-07-07 |
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