JPS6212851U - - Google Patents
Info
- Publication number
- JPS6212851U JPS6212851U JP10520785U JP10520785U JPS6212851U JP S6212851 U JPS6212851 U JP S6212851U JP 10520785 U JP10520785 U JP 10520785U JP 10520785 U JP10520785 U JP 10520785U JP S6212851 U JPS6212851 U JP S6212851U
- Authority
- JP
- Japan
- Prior art keywords
- indenter
- change
- rate
- displacement
- test piece
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 2
- 238000004154 testing of material Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Description
第１図は本考案の一実施例を示すブロツク図、
第２図は負荷荷重曲線Ａ、負荷電流曲線Ａ′およ
び変位量曲線Ｂを示すグラフ、第３図は本考案の
一手順例を示すフローチヤート、第４図は変位量
曲線Ｂの他の例を示すグラフである。
１：圧子駆動部、３：圧子、７：差動トランス
、９：制御回路、１１：負荷検出部、１５：試験
片。
FIG. 1 is a block diagram showing an embodiment of the present invention.
Fig. 2 is a graph showing load curve A, load current curve A' and displacement curve B, Fig. 3 is a flowchart showing an example of the procedure of the present invention, and Fig. 4 is another example of displacement curve B. This is a graph showing. 1: Indenter drive unit, 3: Indenter, 7: Differential transformer, 9: Control circuit, 11: Load detection unit, 15: Test piece.
Claims (1)
圧子の負荷作動を電気的に駆動する駆動部と、前
記圧子の変位量を検出する変位検出部と、その変
位量の変化率の変化を検出する変化率検出器とを
備え、この変化率検出器の出力から前記圧子が試
験片に当接した時点を検出するように構成したこ
とを特徴とする材料試験機。 An indenter that contacts a test piece to apply a load, a drive unit that electrically drives the load operation of the indenter, a displacement detection unit that detects the amount of displacement of the indenter, and a change in the rate of change of the amount of displacement. 1. A material testing machine comprising: a rate-of-change detector for detecting the rate of change, and configured to detect the point in time when the indenter contacts a test piece from the output of the rate-of-change detector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985105207U JPH068531Y2 (en) | 1985-07-09 | 1985-07-09 | Material testing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985105207U JPH068531Y2 (en) | 1985-07-09 | 1985-07-09 | Material testing machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6212851U true JPS6212851U (en) | 1987-01-26 |
| JPH068531Y2 JPH068531Y2 (en) | 1994-03-02 |
Family
ID=30979418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985105207U Expired - Lifetime JPH068531Y2 (en) | 1985-07-09 | 1985-07-09 | Material testing machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH068531Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53122479A (en) * | 1977-03-04 | 1978-10-25 | Oreal | Hardness measuring apparatus |
| JPS557539A (en) * | 1978-06-29 | 1980-01-19 | Bridgestone Tire Co Ltd | Porous ceramic structure |
-
1985
- 1985-07-09 JP JP1985105207U patent/JPH068531Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53122479A (en) * | 1977-03-04 | 1978-10-25 | Oreal | Hardness measuring apparatus |
| JPS557539A (en) * | 1978-06-29 | 1980-01-19 | Bridgestone Tire Co Ltd | Porous ceramic structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH068531Y2 (en) | 1994-03-02 |
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