CN104591630A - Preparation method for xonotlite type adapter plate material for casting aluminum - Google Patents
Preparation method for xonotlite type adapter plate material for casting aluminum Download PDFInfo
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- CN104591630A CN104591630A CN201510013743.7A CN201510013743A CN104591630A CN 104591630 A CN104591630 A CN 104591630A CN 201510013743 A CN201510013743 A CN 201510013743A CN 104591630 A CN104591630 A CN 104591630A
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Abstract
The invention relates to a preparation method for a xonotlite type adapter plate material for casting aluminum. The preparation method comprises the following steps: by taking xonotlite prepared by a dynamic hydrothermal synthesis method as a raw material, adding a certain amount of glass fibers or carbon fibers, reinforced fibers and slaked lime, wherein the mass fraction of xonotlite is 85-95%, the mass fraction of glass fibers or carbon fibers is 3%-10% and the mass fraction of slaked lime is 2%-5%; uniformly mixing and putting into a mould, and pressing and molding under pressure of 20-100 MPa; putting into an autoclaving kettle to perform autoclaving for 2-6 hours at 150-220 DEG C under pressure of 0.8-1.5 MPa after molding, and drying the autoclaved product; and mechanically processing the autoclaved product into a product according to the specific needs. The prepared product has density of 800-1100kg/m<3>, bending strength of 8-12 MPa and a highest using temperature up to 1000 DEG C. The xonotlite type adapter plate material for casting aluminum is light in mass, high in strength, high-temperature-resistant, excellent in thermal insulation performance and suitable for precision mechanical processing.
Description
Technical field
The present invention relates to technical field of inorganic non-metal material preparation, be specifically related to a kind of preparation method of cast aluminium xonotlite type pinboard material.
Background technology
Calcium silicate material has that density is little, thermal conductivity is low, resistance to compression and High anti bending strength, can reuse, environmental protection, to premium propertiess such as human body are friendly, be widely used in the traditional industries field such as surrogate of plastics, rubber, coating, dyestuff, building materials, environmental protection and asbestos, be also developed at emerging Disciplinary Frontiers such as aerospace, electronic technology, life science and medical materials in recent years.Patent CN102825650A has invented a kind of making method of high-strength light integral hydrophobic hard rankinite insulation PLASTIC LAMINATED, and xonotlite is applied to heat preservation fireproofing material by this invention.Patent CN1408671A has invented the method for making of high temperature resistant, high strength and high density calcium silicate plate, and Calucium Silicate powder is applied to industrial building materials and heat preserving and insulating material field by this invention.CN1085582 has invented hard rankinite insulation coating, and xonotlite is applied to thermal insulation coatings field by this invention.Xonotlite is widely used, and does not also have documents and materials report to be applied to by xonotlite at present and prepares cast aluminium pinboard aspect.
Rapidly, particularly Aluminium Industry has had large increase in technology & equipment level in China's aluminum i ndustry development in recent years.In aluminum process, smelting furnace conduit, to cast-aluminum die intermediate demand assembling transition pinboard, to adapt to the mould of different size, produces the aluminum products of different size.This pinboard requires that quality is light, intensity is high, high temperature resistant, high insulating effect, can accurate mechanical processing.The invention provides a kind of xonotlite standby with dynamic autoclaved technology legal system for raw material prepares the method for cast aluminium pinboard material.The present invention prepares that the cost of material is low, quality is light, good heat insulating, can accurate mechanical processing, be applicable to scale operation.
Summary of the invention
The technical solution used in the present invention is: a kind of preparation method of cast aluminium xonotlite type pinboard material, the xonotlite that the present invention synthesizes with dynamic autoclaved technology method is for raw material, add a certain amount of fortifying fibre, white lime, mix, then compression moulding, steam pressure, drying, last mechanical workout is finished product.Comprise the following steps:
(1) xonotlite powder is mixed according to certain mass ratio with fortifying fibre, white lime;
(2) raw material that (1) mixes is put into mould with certain pressure compression moulding;
(3) by sample shaping to (2) steam pressure under certain temperature, pressure;
(4) by the product dried after (3) steam pressure;
(5) material prepared by (4) is machined into product according to specific needs.
In a preferred embodiment, the massfraction of described xonotlite is 85%-95%.
In a preferred embodiment, described fortifying fibre is glass fibre or carbon fiber, and its massfraction is 3%-10%.
In a preferred embodiment, the massfraction of described white lime is 2%-5%.
In a preferred embodiment, described compression moulding pressure is 20-40MPa.
In a preferred embodiment, described steam pressure temperature is 150-220 DEG C, pressure is 0.8-1.5MPa.
In a preferred embodiment, described steam pressure soaking time is 2-6h.
The density of product prepared by the present invention is 800-1100kg/m
3.
The flexural strength of product prepared by the present invention is 8-12MPa.
The use temperature of product prepared by the present invention can reach 1000 DEG C.
Embodiment
Embodiment 1
170g xonotlite, 20g glass fibre, 10g white lime are mixed, puts into mould, make type at 20MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.0MPa.Prepared product density is 840kg/m
3, flexural strength is 8.3MPa, use temperature can reach 1000 DEG C.
Embodiment 2
180g xonotlite, 13g glass fibre, 7g white lime are mixed, puts into mould, make type at 20MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.0MPa.Prepared product density is 823kg/m
3, flexural strength is 8.4MPa, use temperature can reach 1000 DEG C.
Embodiment 3
190g xonotlite, 6g glass fibre, 4g white lime are mixed, puts into mould, make type at 20MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.0MPa.Prepared product density is 846kg/m
3, flexural strength is 8.3MPa, use temperature can reach 1000 DEG C.
Embodiment 4
180g xonotlite, 13g glass fibre, 7g white lime are mixed, puts into mould, make type at 30MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.0MPa.Prepared product density is 954kg/m
3, flexural strength is 10.0MPa, use temperature can reach 1000 DEG C.
Embodiment 5
180g xonotlite, 13g carbon fiber, 7g white lime are mixed, puts into mould, make type at 40MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.0MPa.Prepared product density is 1074kg/m
3, flexural strength is 11.5MPa, use temperature can reach 1000 DEG C.
Embodiment 6
180g xonotlite, 13g carbon fiber, 7g white lime are mixed, puts into mould, make type at 30MPa pressure, the goods after shaping are put into pressure and steams still, at 220 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.5MPa.Prepared product density is 934kg/m
3, flexural strength is 10.4MPa, use temperature can reach 1000 DEG C.
Embodiment 7
180g xonotlite, 13g glass fibre, 7g white lime are mixed, puts into mould, make type at 30MPa pressure, the goods after shaping are put into pressure and steams still, at 150 DEG C, steam pressure 6h, then dry 12h at 100 DEG C under 0.8MPa.Prepared product density is 956kg/m
3, flexural strength is 9.1MPa, use temperature can reach 1000 DEG C.
Embodiment 8
180g xonotlite, 13g glass fibre, 7g white lime are mixed, puts into mould, make type at 30MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 2h, then dry 12h at 120 DEG C under 1.0MPa.Prepared product density is 938kg/m
3, flexural strength is 9.9MPa, use temperature can reach 1000 DEG C.
Embodiment 9
180g xonotlite, 13g carbon fiber, 7g white lime are mixed, puts into mould, make type at 30MPa pressure, the goods after shaping are put into pressure and steams still, at 180 DEG C, steam pressure 4h, then dry 12h at 100 DEG C under 1.0MPa.Prepared product density is 924kg/m
3, flexural strength is 10.1MPa, use temperature can reach 1000 DEG C.
Claims (8)
1. the cast aluminium preparation method of xonotlite type pinboard material, it is characterized in that, comprise the following steps: with the standby xonotlite of dynamic autoclaved technology legal system for raw material, add a certain amount of fortifying fibre, white lime, mix, put into mould, with certain pressure compression moulding, put into pressure after shaping and steam still steam pressure under certain temperature, pressure, the goods after steam pressure carry out drying, are finally machined into product according to specific needs.
2. method according to claim 1, wherein, the massfraction of xonotlite is 85%-95%.
3. method according to claim 1, wherein, fortifying fibre is glass fibre or carbon fiber, and its massfraction is 3%-10%.
4. method according to claim 1, wherein, the massfraction of white lime is 2%-5%.
5. method according to claim 1, wherein, compression moulding pressure is 20-40MPa.
6. method according to claim 1, wherein, steam pressure temperature is 150-220 DEG C, pressure is 0.8-1.5MPa.
7. method according to claim 1, wherein, steam pressure soaking time is 2-6h.
8. it is 800-1100kg/m that the method according to claim 1-7 can prepare density
3, flexural strength is 8-12MPa, maximum operation (service) temperature can reach 1000 DEG C, the cast aluminium pinboard material of excellent thermal insulation performance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013743.7A CN104591630B (en) | 2015-01-12 | 2015-01-12 | The cast aluminium preparation method of eakleite type keyset material |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510013743.7A CN104591630B (en) | 2015-01-12 | 2015-01-12 | The cast aluminium preparation method of eakleite type keyset material |
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| CN104591630A true CN104591630A (en) | 2015-05-06 |
| CN104591630B CN104591630B (en) | 2016-10-19 |
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| CN201510013743.7A Expired - Fee Related CN104591630B (en) | 2015-01-12 | 2015-01-12 | The cast aluminium preparation method of eakleite type keyset material |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307083A (en) * | 2000-01-24 | 2001-08-08 | 莱州明发隔热材料有限公司 | Method for mfg. thermal insulation and fireproof calcium silicate material |
| CN1958499A (en) * | 2006-09-28 | 2007-05-09 | 贵州省遵义碱厂 | Heat preservation insulator of xonaltite, and preparation method |
| CN101880150A (en) * | 2009-05-07 | 2010-11-10 | 浙江阿斯克新型保温材料有限公司 | Process for manufacturing xonotlite type calcium silicate heat insulation material |
| WO2013154070A1 (en) * | 2012-04-11 | 2013-10-17 | 日本インシュレーション株式会社 | Composition for heat insulating material, molded body for heat insulating material, and method for manufacturing same |
| CN103880028A (en) * | 2012-12-19 | 2014-06-25 | 辽宁法库陶瓷工程技术研究中心 | Method for synthesizing xonotlite powder by utilizing rice hull ash or straw ash crop wastes |
| CN103922682A (en) * | 2014-04-22 | 2014-07-16 | 莱州明发隔热材料有限公司 | Method for manufacturing high-efficiency energy-saving type xonotlite heat-insulating product |
| CN103951363A (en) * | 2014-04-20 | 2014-07-30 | 莱州明发隔热材料有限公司 | Method for manufacturing high-strength and energy-saving xonotlite heat-insulation product |
| CN104250089A (en) * | 2013-06-27 | 2014-12-31 | 浙江阿斯克科技有限公司 | Process for preparing lightweight high temperature resistance xonotlite calcium silicate insulation material |
-
2015
- 2015-01-12 CN CN201510013743.7A patent/CN104591630B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1307083A (en) * | 2000-01-24 | 2001-08-08 | 莱州明发隔热材料有限公司 | Method for mfg. thermal insulation and fireproof calcium silicate material |
| CN1958499A (en) * | 2006-09-28 | 2007-05-09 | 贵州省遵义碱厂 | Heat preservation insulator of xonaltite, and preparation method |
| CN101880150A (en) * | 2009-05-07 | 2010-11-10 | 浙江阿斯克新型保温材料有限公司 | Process for manufacturing xonotlite type calcium silicate heat insulation material |
| WO2013154070A1 (en) * | 2012-04-11 | 2013-10-17 | 日本インシュレーション株式会社 | Composition for heat insulating material, molded body for heat insulating material, and method for manufacturing same |
| CN103880028A (en) * | 2012-12-19 | 2014-06-25 | 辽宁法库陶瓷工程技术研究中心 | Method for synthesizing xonotlite powder by utilizing rice hull ash or straw ash crop wastes |
| CN104250089A (en) * | 2013-06-27 | 2014-12-31 | 浙江阿斯克科技有限公司 | Process for preparing lightweight high temperature resistance xonotlite calcium silicate insulation material |
| CN103951363A (en) * | 2014-04-20 | 2014-07-30 | 莱州明发隔热材料有限公司 | Method for manufacturing high-strength and energy-saving xonotlite heat-insulation product |
| CN103922682A (en) * | 2014-04-22 | 2014-07-16 | 莱州明发隔热材料有限公司 | Method for manufacturing high-efficiency energy-saving type xonotlite heat-insulating product |
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| CN104591630B (en) | 2016-10-19 |
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