CN106435420A - Determination method for heat treatment temperature of GH738 alloy forge piece - Google Patents
Determination method for heat treatment temperature of GH738 alloy forge piece Download PDFInfo
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- CN106435420A CN106435420A CN201611077255.3A CN201611077255A CN106435420A CN 106435420 A CN106435420 A CN 106435420A CN 201611077255 A CN201611077255 A CN 201611077255A CN 106435420 A CN106435420 A CN 106435420A
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- heat treatment
- treatment temperature
- total content
- determination method
- alloy
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- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/10—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of nickel or cobalt or alloys based thereon
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- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Forging (AREA)
Abstract
The invention relates to a heat treatment method, in particular to a determination method for the heat treatment temperature of a GH738 alloy forge piece. According to the technical scheme, the determination method for the heat treatment temperature of the GH738 alloy forge piece is that the heat treatment temperature is determined according to the total content of Al and Ti in a GH738 alloy. By means of the determination method for the heat treatment temperature of the GH738 alloy forge piece, the purpose that the heat treatment structure performance of the GH738 alloy forge piece meets design requirements can be achieved.
Description
Technical field
The present invention relates to a kind of heat treatment method, and in particular to a kind of determination side of GH738 alloy forged piece heat treatment temperature
Method.
Background technology
In standard, regulation GH738 alloy forged piece heat treatment temperature is 1000～1040 DEG C.Regulation GH738 alloy forging in design
Part tensile strength >=1210MPa, yield strength >=830MPa.Mechanical property in practical application, after GH738 alloy forged piece heat treatment
Energy qualified rate is very low.
Content of the invention
The present invention provides a kind of determination method of GH738 alloy forged piece heat treatment temperature, can realize GH738 alloy forged piece
Heat-treated sturcture performance meets design requirement.
Technical scheme is as follows：
A kind of determination method of GH738 alloy forged piece heat treatment temperature, determines according to Al+Ti total content in GH738 alloy
Heat treatment temperature.
The determination method of described GH738 alloy forged piece heat treatment temperature, specifically, during Al+Ti total content ＜ 4.0%,
Heat treatment temperature is 1000～1040 DEG C；Al+Ti total content be >=4.0% and ＜ 4.1% when, heat treatment temperature be 1005～
1040℃；When Al+Ti total content is >=4.1% and ＜ 4.2%, heat treatment temperature is 1010～1040 DEG C；Al+Ti total content is
When >=4.2% and ＜ 4.3%, heat treatment temperature is 1015～1040 DEG C；When Al+Ti total content is >=4.3% and ＜ 4.4%,
Heat treatment temperature is 1020～1040 DEG C；Al+Ti total content be >=4.4% and ＜ 4.5% when, heat treatment temperature be 1025～
1040℃；When Al+Ti total content is >=4.5% and ＜ 4.6%, heat treatment temperature is 1030～1040 DEG C；Al+Ti total content is
When >=4.6% and ＜ 4.7%, heat treatment temperature is 1035～1040 DEG C；When Al+Ti total content is >=4.7, heat treatment temperature is
1040℃.
Beneficial effects of the present invention are：According to present invention determine that GH738 alloy forged piece heat treatment method, produce
GH738 alloy forged piece tensile strength >=1210MPa, yield strength >=830MPa, qualification rate reaches more than 95%.
Specific embodiment
A kind of determination method of GH738 alloy forged piece heat treatment temperature, determines according to Al+Ti total content in GH738 alloy
Heat treatment temperature.Specifically, during Al+Ti total content ＜ 4.0%, heat treatment temperature is 1000～1040 DEG C；Al+Ti total content is
When >=4.0% and ＜ 4.1%, heat treatment temperature is 1005～1040 DEG C；When Al+Ti total content is >=4.1% and ＜ 4.2%,
Heat treatment temperature is 1010～1040 DEG C；Al+Ti total content be >=4.2% and ＜ 4.3% when, heat treatment temperature be 1015～
1040℃；When Al+Ti total content is >=4.3% and ＜ 4.4%, heat treatment temperature is 1020～1040 DEG C；Al+Ti total content is
When >=4.4% and ＜ 4.5%, heat treatment temperature is 1025～1040 DEG C；When Al+Ti total content is >=4.5% and ＜ 4.6%,
Heat treatment temperature is 1030～1040 DEG C；Al+Ti total content be >=4.6% and ＜ 4.7% when, heat treatment temperature be 1035～
1040℃；When Al+Ti total content is >=4.7, heat treatment temperature is 1040 DEG C.
Claims (2)
1. a kind of determination method of GH738 alloy forged piece heat treatment temperature, it is characterised in that total according to Al+Ti in GH738 alloy
Content determines heat treatment temperature.
2. the determination method of GH738 alloy forged piece heat treatment temperature according to claim 1, it is characterised in that Al+Ti is total
During content ＜ 4.0%, heat treatment temperature is 1000～1040 DEG C；When Al+Ti total content is >=4.0% and ＜ 4.1%, heat treatment
Temperature is 1005～1040 DEG C；When Al+Ti total content is >=4.1% and ＜ 4.2%, heat treatment temperature is 1010～1040 DEG C；
When Al+Ti total content is >=4.2% and ＜ 4.3%, heat treatment temperature is 1015～1040 DEG C；Al+Ti total content is >=4.3%
And during ＜ 4.4%, heat treatment temperature is 1020～1040 DEG C；When Al+Ti total content is >=4.4% and ＜ 4.5%, heat treatment temperature
Spend for 1025～1040 DEG C；When Al+Ti total content is >=4.5% and ＜ 4.6%, heat treatment temperature is 1030～1040 DEG C；Al+
When Ti total content is >=4.6% and ＜ 4.7%, heat treatment temperature is 1035～1040 DEG C；When Al+Ti total content is >=4.7, heat
Treatment temperature is 1040 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077255.3A CN106435420A (en) | 2016-11-30 | 2016-11-30 | Determination method for heat treatment temperature of GH738 alloy forge piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077255.3A CN106435420A (en) | 2016-11-30 | 2016-11-30 | Determination method for heat treatment temperature of GH738 alloy forge piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106435420A true CN106435420A (en) | 2017-02-22 |
Family
ID=58223109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077255.3A Pending CN106435420A (en) | 2016-11-30 | 2016-11-30 | Determination method for heat treatment temperature of GH738 alloy forge piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106435420A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020849A (en) * | 2000-07-05 | 2002-01-23 | Fukui Prefecture | Method for working/heat-treating superelastic alloy |
-
2016
- 2016-11-30 CN CN201611077255.3A patent/CN106435420A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002020849A (en) * | 2000-07-05 | 2002-01-23 | Fukui Prefecture | Method for working/heat-treating superelastic alloy |
Non-Patent Citations (1)
| Title |
|---|
| 邰清安等: ""锻造工艺及热处理参数对GH738合金环形锻件组织均匀性的影响"", 《精密成形工程》 * |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |
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| RJ01 | Rejection of invention patent application after publication |