JPS627505B2 - - Google Patents
Info
- Publication number
- JPS627505B2 JPS627505B2 JP55028446A JP2844680A JPS627505B2 JP S627505 B2 JPS627505 B2 JP S627505B2 JP 55028446 A JP55028446 A JP 55028446A JP 2844680 A JP2844680 A JP 2844680A JP S627505 B2 JPS627505 B2 JP S627505B2
- Authority
- JP
- Japan
- Prior art keywords
- ultrasonic
- graphite
- flaw detector
- echo signal
- average value
- 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
Links
- 229910002804 graphite Inorganic materials 0.000 claims description 27
- 239000010439 graphite Substances 0.000 claims description 27
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 26
- 238000012360 testing method Methods 0.000 claims description 14
- 229910001141 Ductile iron Inorganic materials 0.000 claims description 11
- 238000005087 graphitization Methods 0.000 claims description 2
- 239000000523 sample Substances 0.000 description 18
- 238000000034 method Methods 0.000 description 17
- 239000000463 material Substances 0.000 description 13
- 230000035945 sensitivity Effects 0.000 description 8
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000011156 evaluation Methods 0.000 description 4
- 238000005259 measurement Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000002592 echocardiography Methods 0.000 description 2
- 238000009659 non-destructive testing Methods 0.000 description 2
- 229910001018 Cast iron Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000010421 standard material Substances 0.000 description 1
- 238000004154 testing of material Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/11—Analysing solids by measuring attenuation of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/0289—Internal structure, e.g. defects, grain size, texture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/10—Number of transducers
- G01N2291/101—Number of transducers one transducer
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/26—Scanned objects
- G01N2291/263—Surfaces
- G01N2291/2632—Surfaces flat
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2844680A JPS56124045A (en) | 1980-03-06 | 1980-03-06 | Measuring device for spheroidizing ratio of graphite of ductile cast iron article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2844680A JPS56124045A (en) | 1980-03-06 | 1980-03-06 | Measuring device for spheroidizing ratio of graphite of ductile cast iron article |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56124045A JPS56124045A (en) | 1981-09-29 |
| JPS627505B2 true JPS627505B2 (ru) | 1987-02-17 |
Family
ID=12248892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2844680A Granted JPS56124045A (en) | 1980-03-06 | 1980-03-06 | Measuring device for spheroidizing ratio of graphite of ductile cast iron article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56124045A (ru) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6082857A (ja) * | 1983-10-13 | 1985-05-11 | Kubota Ltd | 遠心鋳造管の超音波探傷方法 |
| JP5612535B2 (ja) * | 2011-04-28 | 2014-10-22 | 大阪瓦斯株式会社 | 敷設鋳鉄管の材質判定方法及び敷設鋳鉄管材質判定システム |
| CN109254081A (zh) * | 2018-10-24 | 2019-01-22 | 贵州省分析测试研究院 | 测定灰铸铁内部石墨属性的方法和装置 |
-
1980
- 1980-03-06 JP JP2844680A patent/JPS56124045A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56124045A (en) | 1981-09-29 |
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