CN85105271A - A kind of nickel-base alloy - Google Patents

A kind of nickel-base alloy Download PDF

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Publication number
CN85105271A
CN85105271A CN 85105271 CN85105271A CN85105271A CN 85105271 A CN85105271 A CN 85105271A CN 85105271 CN85105271 CN 85105271 CN 85105271 A CN85105271 A CN 85105271A CN 85105271 A CN85105271 A CN 85105271A
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CN
China
Prior art keywords
nickel
alloy
base alloy
water
sedimentator
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.)
Pending
Application number
CN 85105271
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Chinese (zh)
Inventor
张炳大
张嘉媛
赵惠田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Institute of Metal Research of CAS
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Institute of Metal Research of CAS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Institute of Metal Research of CAS filed Critical Institute of Metal Research of CAS
Priority to CN 85105271 priority Critical patent/CN85105271A/en
Publication of CN85105271A publication Critical patent/CN85105271A/en
Pending legal-status Critical Current

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Abstract

The invention provides a kind of high-effect toughener that supplies mortar or concrete to use, it to the effect that adds calcium sulfate and zeolite in existing iron(ic) chloride water-resisting agent.It can reduce mortar and concrete contraction ratio, increases density, reduces free-water, eliminates the passage of infiltration water, improves impervious.In addition, also can strengthen the impact of the anticorrosion antifreeze and higher hydraulic pressure of ability.

Description

A kind of nickel-base alloy
The invention belongs to the field of metallurgy of nickel-base alloy, promptly a kind of resistance to high temperature oxidation, refractory melts the nickel-base alloy that glass corrosion washes away, and this alloy is suitable for making for centrifugal injection method produces the sedimentator that glass wool is used.
Centrifugal injection method is produced glass wool efficient height, power consumption is low, and sedimentator is the key part in this technology, and output, quality and the technology stability of glass wool played an important role.The sedimentator alloy of producing glass wool requires to have enough hot strengths at 1030~1050 ℃, indeformable to guarantee sedimentator long term operation at high temperature, do not ftracture, require alloy to have the corrosion of good resistance to high temperature oxidation and anti-melten glass liquid and the performance of washing away simultaneously, require alloy to have favorable mechanical processing and welding property in addition.Making this sedimentator desirable material is platinum and platinum rhodium, but because its price is very expensive, makes that the cost of sedimentator is very high, so do not adopted by people.In addition, the platinum rhodium-base alloy is embedded on the nickel-base alloy uses, also can satisfy above-mentioned performance requriements, still, not only cost is still too high for this, and manufacture craft is also comparatively complicated.Therefore, many countries all give up above-mentioned two kinds of approach and seek to replace platinum or platinum rhodium with nickel-base alloy merely, HOII P NL141-246, United States Patent (USP) 3876423, all once reported the sedimentator made from nickel-base alloy, though the nickel-base alloy that these two pieces of patents adopt can satisfy processing requirement, the composition complexity, work-ing life is low, generally has only 100~200 hours.United States Patent (USP) 4130420 and 4137074 adds a large amount of chromium and improves alloy property, chromium content is up to 40%, and carbon content is very low, only account for below 0.2%, from the Fe-Cr-Ni ternary alloy phase diagram as can be known, obtain stable austenite structure, chromium content should not surpass 38%, and from obtaining hot strength, the solid solution element that adds carbon and generation carbide, as: W, Mo, Nb, Ta etc. can improve the hot strength of alloy, wherein especially the selection of carbon content is very crucial, cross the low hot strength that can make and reduce, too high meeting generates more carbide, influences the raising of anti-oxidant and corrosion resistance, in view of this, the high chromium low-carbon alloy use properties reported of above-mentioned two United States Patent (USP)s there is no raising.
The purpose of this invention is to provide a kind of resistance to high temperature oxidation refractory and melt the corrosion of glass metal and the nickel-base alloy that washes away.
The present invention takes to seek the nickel-base alloy that can satisfy above-mentioned requirements with the approach that simple alloy ingredient and rational proportioning components combine.The present invention has at first determined the proportioning of an amount of chromium and other element of carbon re-adjustment.
Alloy ingredient scope provided by the present invention is as follows: (weight %)
Cr W Fe B Si Mn C Ni
30/35 3.0/6.0 7.0/10.0 0.005/0.015<1.0<1.0 0.3/0.6 are surplus
And its best composition is: (weight %)
Cr W Fe B C Ni
32.0 surplus in the of 5.0 10.0 0.01 0.4
Nickel-base alloy provided by the present invention can be smelted by general nickel-base alloy smelting technology, preferably adopts vacuum induction melting, and then use precision casting process moulding, the refining temperature of alloy to be controlled at 1500~1550 ℃, 1500 ± 10 ℃ of controlling of casting temp.
Nickel-base alloy provided by the present invention is at 1050 ℃, 2kg/mm 2Stress under, creep rupture life was greater than 150 hours.
Embodiment (weight %)
Cr W Fe B C Ni
32.0 surplus in the of 5.0 10.0 0.01 0.4
This alloy of melting in vacuum induction furnace, outside the eliminating minute active element, the crucible of earlier whole metal charges being packed into, the power supply melting, clear back fusion is refining 10 minutes again about 1550 ℃, adjusts temperature and pours in the smart casting shell mould, makes the nichrome sedimentator.Sedimentator provided by the present invention below 1050 ℃, the corrosion of melten glass liquid and washing away under the working order, when producing 4~6 μ M glasses, work-ing life is the longest can to reach 350 hours.

Claims (2)

1, a kind of making for centrifugal injection method produced the nickel-base alloy of glass wool with sedimentator, it is characterized in that alloy ingredient is: (weight %)
Cr W Fe B Si Mn C Ni
30/35 3.0/6.0 7.0/10.0 0.005/0.015<1.0<1.0 0.3/0.6 are surplus
2,, it is characterized in that the best composition of alloy is: (weight %) according to the described nickel-base alloy of claim 1
Cr W Fe B C Ni
32.0 surplus in the of 5.0 10.0 0.01 0.4
CN 85105271 1985-07-06 1985-07-06 A kind of nickel-base alloy Pending CN85105271A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 85105271 CN85105271A (en) 1985-07-06 1985-07-06 A kind of nickel-base alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 85105271 CN85105271A (en) 1985-07-06 1985-07-06 A kind of nickel-base alloy

Publications (1)

Publication Number Publication Date
CN85105271A true CN85105271A (en) 1987-01-07

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 85105271 Pending CN85105271A (en) 1985-07-06 1985-07-06 A kind of nickel-base alloy

Country Status (1)

Country Link
CN (1) CN85105271A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101603152B (en) * 2009-01-20 2011-06-22 无锡益通机械科技有限公司 Centrifugation device high-temperature alloy used for glass wool production
CN104478270A (en) * 2014-12-30 2015-04-01 河南科丽奥高新材料有限公司 Antifreeze and waterproof alloy powder for concrete and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101603152B (en) * 2009-01-20 2011-06-22 无锡益通机械科技有限公司 Centrifugation device high-temperature alloy used for glass wool production
CN104478270A (en) * 2014-12-30 2015-04-01 河南科丽奥高新材料有限公司 Antifreeze and waterproof alloy powder for concrete and preparation method thereof

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