KR20100044521A - 소결공정에 의한 소결 시편의 두께 자동 측정방법 및 장치 - Google Patents
소결공정에 의한 소결 시편의 두께 자동 측정방법 및 장치 Download PDFInfo
- Publication number
- KR20100044521A KR20100044521A KR1020080103687A KR20080103687A KR20100044521A KR 20100044521 A KR20100044521 A KR 20100044521A KR 1020080103687 A KR1020080103687 A KR 1020080103687A KR 20080103687 A KR20080103687 A KR 20080103687A KR 20100044521 A KR20100044521 A KR 20100044521A
- Authority
- KR
- South Korea
- Prior art keywords
- ram
- thickness
- displacement
- real time
- powder compact
- Prior art date
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 82
- 238000000034 method Methods 0.000 title claims abstract description 41
- 238000012544 monitoring process Methods 0.000 title abstract description 5
- 238000006073 displacement reaction Methods 0.000 claims abstract description 61
- 239000000843 powder Substances 0.000 claims abstract description 52
- 238000012360 testing method Methods 0.000 claims description 11
- 238000010438 heat treatment Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 claims description 4
- 238000003825 pressing Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005294 ferromagnetic effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
- G01B21/08—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness
- G01B21/085—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness for measuring thickness using thermal means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
- G01B5/06—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness for measuring thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
Abstract
Description
Claims (4)
- 가압램의 가압에 따른 분말 성형체의 소결공정 중 가압램의 이동변위를 측정하여 소결 시편의 두께를 측정하는 방법에 있어서,분말 성형체를 투입하지 않은 상태에서 가압램(11)을 가압함과 동시에 소결로(10) 내부를 승온시켜 가압램(11)의 열팽창에 따른 가압램(11) 이동변위와 온도 변화 데이터를 실시간 측정 및 저장하는 제1단계와;분말 성형체를 투입한 상태에서 가압램(11)을 가압함과 동시에 소결로(10) 내부를 승온시켜 가압램(11)의 열팽창에 따른 가압램(11) 이동변위와 온도 변화 데이터를 실시간 측정 및 저장하되, 이 저장값에서 상기 제1단계에서 저장된 값을 뺀 소결 수축값을 실시간 계산하는 제2단계와;제2단계에서 사용된 분말 성형체의 초기 두께에서 상기한 소결 수축값을 뺀 시편의 두께를 실시간 측정하는 제3단계를 포함하는 것을 특징으로 하는 소결공정에 의한 소결 시편의 두께 자동 측정방법.
- 제 1항에 있어서, 상기 제1단계와 제2단계에서 가압램(11) 이동변위는 초기 불안정 상태를 제거하기 위해 50~400℃ 온도에서 0㎜로 설정하는 것을 특징으로 하는 소결공정에 의한 소결 시편의 두께 자동 측정방법.
- 가압램의 가압에 따른 분말 성형체의 소결공정 중 가압램의 이동변위를 측정 하여 소결 시편의 두께를 측정하는 장치에 있어서,가압램(11)을 통한 가압과 함께 내부를 승온시켜 분말 성형체의 소결을 실시하는 소결로(10)와;상기 소결로(10) 내부에 연결되어 온도 변화를 실시간 측정하는 열전대(20)와;상기 가압램(11)에 장착되어 가압램(11)의 이동변위를 실시간 측정하는 변위측정기(30)와;상기 변위측정기(30)와 열전대(20)에 연결되어 가압램(11)의 이동변위 데이터값과 온도 변화 데이터값을 그와 비례하는 아날로그신호로 변환하는 시그널컨디셔너(40)와;상기 시그널컨디셔너(40)를 통해 변환 출력된 아날로그신호를 A/D컨버터(50)를 통해 디지털신호로 변환하여 이를 실시간 모니터링시키는 컴퓨터(60)를 포함하는 것을 특징으로 하는 소결공정에 의한 소결 시편의 두께 자동 측정장치.
- 제 3항에 있어서, 상기 컴퓨터(60)에서는 분말 성형체의 초기 두께와, 두께 변화와, 두께 감소율 및 소결로(10) 내부의 온도 변화를 실시간 모니터링시키는 것을 특징으로 하는 소결공정에 의한 소결 시편의 두께 자동 측정장치.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080103687A KR101072620B1 (ko) | 2008-10-22 | 2008-10-22 | 소결공정에 의한 소결 시편의 두께 자동 측정방법 및 장치 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020080103687A KR101072620B1 (ko) | 2008-10-22 | 2008-10-22 | 소결공정에 의한 소결 시편의 두께 자동 측정방법 및 장치 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20100044521A true KR20100044521A (ko) | 2010-04-30 |
KR101072620B1 KR101072620B1 (ko) | 2011-10-12 |
Family
ID=42219213
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020080103687A KR101072620B1 (ko) | 2008-10-22 | 2008-10-22 | 소결공정에 의한 소결 시편의 두께 자동 측정방법 및 장치 |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR101072620B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220073889A (ko) * | 2020-11-26 | 2022-06-03 | 건국대학교 산학협력단 | 고체산화물 연료전지의 전해질층 두께 결정방법 및 장치 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5915801A (ja) | 1982-07-20 | 1984-01-26 | Toyota Motor Corp | 粉末成形体の厚み測定装置 |
-
2008
- 2008-10-22 KR KR1020080103687A patent/KR101072620B1/ko active IP Right Grant
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20220073889A (ko) * | 2020-11-26 | 2022-06-03 | 건국대학교 산학협력단 | 고체산화물 연료전지의 전해질층 두께 결정방법 및 장치 |
Also Published As
Publication number | Publication date |
---|---|
KR101072620B1 (ko) | 2011-10-12 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Sorensen et al. | Delamination detection and characterisation of bridging tractions using long FBG optical sensors | |
Matveenko et al. | Temperature and strain registration by fibre-optic strain sensor in the polymer composite materials manufacturing | |
WO2013136072A1 (en) | Optical pressure sensor | |
EP3460466A3 (en) | Method of making a magnetostrictive oscillator ice rate sensor probe | |
CN108802095A (zh) | 利用剪切散斑干涉测量刚性材料热膨胀系数的方法及系统 | |
KR101072620B1 (ko) | 소결공정에 의한 소결 시편의 두께 자동 측정방법 및 장치 | |
CN110779954A (zh) | 塑性变形状态下接触导热系数测量装置及测量方法 | |
Lahuerta et al. | Measuring the delamination length in static and fatigue mode I tests using video image processing | |
Boyard et al. | Behaviour of a moulded composite part: Modelling of dilatometric curve (constant pressure) or pressure (constant volume) with temperature and conversion degree gradients | |
Silk et al. | Interpretation of hot plane strain compression testing of aluminium specimens | |
US20130154146A1 (en) | Sintering machine and method of manufacturing sintered body | |
He et al. | Optical fiber sensor for strain monitoring of metallic device produced by very high-power ultrasonic additive manufacturing | |
Zhang et al. | Advancing aluminum casting optimization with real-time temperature and gap measurements using optical fiber sensors at the metal-mold interface | |
JP2017021016A (ja) | 試料を熱機械分析するための方法及び装置 | |
JP4895302B2 (ja) | 弾性率測定方法、弾性率測定装置、及びプログラム | |
CN113740375B (zh) | 一种树脂热膨胀系数和固化收缩率测量装置及方法 | |
JP4859224B2 (ja) | 圧縮試験方法及び圧縮試験機、並びにプログラム | |
Ayadi et al. | A comprehensive study of bubble inflation in vacuum-assisted thermoforming based on whole-field strain measurements | |
Tang et al. | Enhanced sensitivity and robustness in an embeddable strain sensor using microwave resonators | |
Maillaud et al. | High-accuracy optical pressure sensor for gas turbine monitoring | |
TWI636233B (zh) | 用於測量物件厚度的方法及裝置 | |
JP4790658B2 (ja) | 熱可塑性素材の成形方法及びその装置 | |
JPH03217789A (ja) | 熱間静水圧加圧方法 | |
US4831881A (en) | Continuous monitering system for compaction behavior of composite laminates in autoclave curing | |
CN113406139B (zh) | 塑性成形中坯料与模具界面的接触传热系数测量方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 20081022 |
|
PA0201 | Request for examination | ||
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20101122 Patent event code: PE09021S01D |
|
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 20110307 Patent event code: PE09021S01D |
|
E701 | Decision to grant or registration of patent right | ||
PE0701 | Decision of registration |
Patent event code: PE07011S01D Comment text: Decision to Grant Registration Patent event date: 20110901 |
|
GRNT | Written decision to grant | ||
PR0701 | Registration of establishment |
Comment text: Registration of Establishment Patent event date: 20111005 Patent event code: PR07011E01D |
|
PR1002 | Payment of registration fee |
Payment date: 20111006 End annual number: 3 Start annual number: 1 |
|
PG1601 | Publication of registration | ||
FPAY | Annual fee payment |
Payment date: 20141006 Year of fee payment: 4 |
|
PR1001 | Payment of annual fee |
Payment date: 20141006 Start annual number: 4 End annual number: 4 |
|
FPAY | Annual fee payment |
Payment date: 20151001 Year of fee payment: 5 |
|
PR1001 | Payment of annual fee |
Payment date: 20151001 Start annual number: 5 End annual number: 5 |
|
FPAY | Annual fee payment |
Payment date: 20161005 Year of fee payment: 6 |
|
PR1001 | Payment of annual fee |
Payment date: 20161005 Start annual number: 6 End annual number: 6 |
|
FPAY | Annual fee payment |
Payment date: 20170927 Year of fee payment: 7 |
|
PR1001 | Payment of annual fee |
Payment date: 20170927 Start annual number: 7 End annual number: 7 |
|
FPAY | Annual fee payment |
Payment date: 20180911 Year of fee payment: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20180911 Start annual number: 8 End annual number: 8 |
|
PR1001 | Payment of annual fee |
Payment date: 20210728 Start annual number: 11 End annual number: 11 |
|
PR1001 | Payment of annual fee |
Payment date: 20240730 Start annual number: 14 End annual number: 14 |