CN102912238A - Electrothermal alloy - Google Patents
Electrothermal alloy Download PDFInfo
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- CN102912238A CN102912238A CN2012104762999A CN201210476299A CN102912238A CN 102912238 A CN102912238 A CN 102912238A CN 2012104762999 A CN2012104762999 A CN 2012104762999A CN 201210476299 A CN201210476299 A CN 201210476299A CN 102912238 A CN102912238 A CN 102912238A
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- electrical heating
- niobium
- electrothermal alloy
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Abstract
The invention relates to an electrothermal alloy comprising the following components (in parts by weight): 120-130 parts of electrician pure iron, 80-90 parts of micro carbon ferrochrome, 10-20 parts of aluminium, 0.1-1 part of sponge titanium, 0.1-1 part of rare earth, 1-2 parts of ferrocolumbium, 0.5-1 part of yttrium and 1-2 parts of cobalt. According to the electrothermal alloy prepared by adopting the formula in the invention, yttrium element and the rare earth elements such as lanthanum and cerium are added on the basis of the original ferrochrome aluminium electrothermal alloy, so that the oxidation resistance of the electrothermal alloy is improved, and the service life of the electrothermal alloy is prolonged; the sponge titanium is adopted, so that the plasticity can be improved, grains can be refined, high temperature can be inhibited, and the service life can be prolonged; and the cobalt element is added, so that an operating temperature can be increased, and the strength and the toughness can be improved.
Description
Technical field
The invention belongs to the alloy technology field, particularly a kind of electrical heating alloys.
Background technology
Electrical heating alloys is the alloy material for the manufacture of electrical heating element, when electric current passes through alloying element, produces joule effect, and electric energy is transformed into heat energy.The electrical heating alloys product is made generally in thin silk material, circle wire rod, sheet metal band, under particular requirement, also can be made into tubing and foundry goods, the characteristics such as have generally that resistivity is large, heat-resistant anti-fatigue, anticorrosive and high temperature shape stability are good, it can be heat energy with electric energy conversion effectively, electrical heating alloys surface when high temperature forms fine and close oxide film, so good antioxidant property is arranged.
Summary of the invention
Technical problem to be solved by this invention provides that a kind of antioxidant property is strong, the electrical heating alloys of good heat resistance, high life.
For solving the problems of the technologies described above, the invention provides a kind of electrical heating alloys, its composition and proportioning (weight part) are:
Electrical pure iron 120-130
Extra low carbon ferrochromium 80-90
Aluminium 10-20
Titanium sponge 0.1-1
Rare earth 0.1-1
Ferro-niobium 1-2
Yttrium 0.5-1
Cobalt 1-2
The composition of chromium in the described extra low carbon ferrochromium (Cr) accounts for the 60-70% of extra low carbon ferrochromium, the Chun Du of described titanium sponge＞=99.7%, the composition of described rare earth comprises the lanthanum of 80-90% and the cerium of 10-20%, the composition of the niobium in the described ferro-niobium (Nb) accounts for the 60-70% of ferro-niobium, the Chun Du of described yttrium＞=99.9%, the Chun Du of described cobalt＞=99.98%.
Technique effect of the present invention: the electrical heating alloys that (1) prescription of the present invention is made, added yttrium on the basis of original ferrum-chromium-aluminum electrical heating alloys, rare-earth elements of lanthanum and cerium have improved the antioxidant property of electrical heating alloys, have improved work-ing life; (2) the present invention uses titanium sponge to improve to add plasticity, and crystal grain thinning suppresses high temperature, thereby increases the service life; (3) the present invention increases cobalt element in addition, can improve use temperature, intensity and toughness.
Embodiment
Embodiment 1
The electrical heating alloys of present embodiment, its composition and proportioning (weight part) are:
Electrical pure iron 123.24
Extra low carbon ferrochromium 86.00
Aluminium 15.80
Titanium sponge 0.50
Rare earth 0.60
Ferro-niobium 1.75
Yttrium 0.85
Cobalt 1.26
The composition of chromium in the described extra low carbon ferrochromium (Cr) accounts for 61.5% of extra low carbon ferrochromium, the Chun Du of described titanium sponge＞=99.7%, the composition of described rare earth comprises 90% lanthanum and 10% cerium, the composition of the niobium in the described ferro-niobium (Nb) accounts for 66.4% of ferro-niobium, the Chun Du of described yttrium＞=99.9%, the Chun Du of described cobalt＞=99.98%.
Embodiment 2
The electrical heating alloys of present embodiment, its composition and proportioning (weight part) are:
Electrical pure iron 121.00
Extra low carbon ferrochromium 90.00
Aluminium 14.10
Titanium sponge 0.60
Rare earth 0.80
Ferro-niobium 1.70
Yttrium 0.50
Cobalt 1.30
The composition of chromium in the described extra low carbon ferrochromium (Cr) accounts for 60% of extra low carbon ferrochromium, the Chun Du of described titanium sponge＞=99.7%, described rare earth comprise 85% lanthanum and 15% cerium, and the composition of the niobium in the described ferro-niobium (Nb) accounts for 68% of ferro-niobium, the Chun Du of described yttrium＞=99.9%, the Chun Du of described cobalt＞=99.98%.
Embodiment 3
A kind of electrical heating alloys, its composition and proportioning (weight part) are:
Electrical pure iron 128.55
Extra low carbon ferrochromium 81.00
Aluminium 15.50
Titanium sponge 0.40
Rare earth 0.50
Ferro-niobium 1.85
Yttrium 0.70
Cobalt 1.50
The composition of chromium in the described extra low carbon ferrochromium (Cr) accounts for 66% of extra low carbon ferrochromium, the Chun Du of described titanium sponge＞=99.7%, the composition of described rare earth comprises 90% lanthanum and 10% cerium, the composition of the niobium in the described ferro-niobium (Nb) accounts for 62.8% of ferro-niobium, the Chun Du of described yttrium＞=99.9%, the Chun Du of described cobalt＞=99.98%.
Claims (6)
1. electrical heating alloys, it is characterized in that: its composition and proportioning (weight part) are:
Electrical pure iron 120-130
Extra low carbon ferrochromium 80-90
Aluminium 10-20
Titanium sponge 0.1-1
Rare earth 0.1-1
Ferro-niobium 1-2
Yttrium 0.5-1
Cobalt 1-2
Electrical heating alloys as claimed in claim 1 is characterized in that: the composition of chromium in the described extra low carbon ferrochromium (Cr) accounts for the 60-70% of extra low carbon ferrochromium.
2. electrical heating alloys as claimed in claim 1 is characterized in that: the Chun Du of described titanium sponge＞=99.7%.
3. electrical heating alloys as claimed in claim 1, it is characterized in that: the composition of described rare earth comprises the lanthanum of 80-90% and the cerium of 10-20%.
4. electrical heating alloys as claimed in claim 1, it is characterized in that: the composition of the niobium in the described ferro-niobium (Nb) accounts for the 60-70% of ferro-niobium.
5. electrical heating alloys as claimed in claim 1 is characterized in that: the Chun Du of described yttrium＞=99.9%.
6. electrical heating alloys as claimed in claim 1 is characterized in that: the Chun Du of described cobalt＞=99.98%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104762999A CN102912238A (en) | 2012-11-22 | 2012-11-22 | Electrothermal alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104762999A CN102912238A (en) | 2012-11-22 | 2012-11-22 | Electrothermal alloy |
Publications (1)
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| CN102912238A true CN102912238A (en) | 2013-02-06 |
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Family Applications (1)
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| CN2012104762999A Pending CN102912238A (en) | 2012-11-22 | 2012-11-22 | Electrothermal alloy |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039858A (en) * | 2015-08-21 | 2015-11-11 | 江苏金达电热电器有限公司 | Electrothermal alloy material with excellent high-temperature resistant grain growth behavior and manufacturing method thereof |
| CN105154776A (en) * | 2015-08-21 | 2015-12-16 | 江苏金达电热电器有限公司 | Electric heating alloy material with excellent high-temperature oxidation resistance and preparing method for material |
| CN109023007A (en) * | 2018-09-27 | 2018-12-18 | 江苏高顶电热材料有限公司 | A kind of high-resistance electrothermic alloy production method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269730A (en) * | 1995-03-31 | 1996-10-15 | Kawasaki Steel Corp | Fe-cr-al alloy plate having excellent oxidation resistance |
| WO2001000896A1 (en) * | 1999-06-24 | 2001-01-04 | Krupp Vdm Gmbh | Fe-cr-al alloy |
| CN101280392A (en) * | 2007-04-04 | 2008-10-08 | 泰州市春海电热合金制造有限公司 | Anti-carburization high temperature-resistant electrothermal alloy |
| CN101892434A (en) * | 2010-06-12 | 2010-11-24 | 北京首钢吉泰安新材料有限公司 | Ultra-high temperature electrothermal alloy and preparation method thereof |
-
2012
- 2012-11-22 CN CN2012104762999A patent/CN102912238A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08269730A (en) * | 1995-03-31 | 1996-10-15 | Kawasaki Steel Corp | Fe-cr-al alloy plate having excellent oxidation resistance |
| WO2001000896A1 (en) * | 1999-06-24 | 2001-01-04 | Krupp Vdm Gmbh | Fe-cr-al alloy |
| CN101280392A (en) * | 2007-04-04 | 2008-10-08 | 泰州市春海电热合金制造有限公司 | Anti-carburization high temperature-resistant electrothermal alloy |
| CN101892434A (en) * | 2010-06-12 | 2010-11-24 | 北京首钢吉泰安新材料有限公司 | Ultra-high temperature electrothermal alloy and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 劳远侠: "稀土Ce对Fe-27Cr-7Al电热合金组织与性能的影响", 《中国优秀硕士学位论文全文数据库(电子期刊)I辑》, no. 5, 31 December 2007 (2007-12-31) * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105039858A (en) * | 2015-08-21 | 2015-11-11 | 江苏金达电热电器有限公司 | Electrothermal alloy material with excellent high-temperature resistant grain growth behavior and manufacturing method thereof |
| CN105154776A (en) * | 2015-08-21 | 2015-12-16 | 江苏金达电热电器有限公司 | Electric heating alloy material with excellent high-temperature oxidation resistance and preparing method for material |
| CN105154776B (en) * | 2015-08-21 | 2017-08-25 | 江苏金达电热电器有限公司 | Electrothermal alloy material with excellent high temperature oxidation resistance and preparation method thereof |
| CN109023007A (en) * | 2018-09-27 | 2018-12-18 | 江苏高顶电热材料有限公司 | A kind of high-resistance electrothermic alloy production method |
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Application publication date: 20130206 |