CN110053411A - The magnetic restorative procedure of the phyllosilicate art work - Google Patents

The magnetic restorative procedure of the phyllosilicate art work Download PDF

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Publication number
CN110053411A
CN110053411A CN201910272617.1A CN201910272617A CN110053411A CN 110053411 A CN110053411 A CN 110053411A CN 201910272617 A CN201910272617 A CN 201910272617A CN 110053411 A CN110053411 A CN 110053411A
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CN
China
Prior art keywords
magnetic
magnetic medium
medium
magnet
art work
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CN201910272617.1A
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Chinese (zh)
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CN110053411B (en
Inventor
赵静
迪丽热巴·阿迪力
罗宏杰
赵鹏
王丛
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Shanghai Institute of Ceramics of CAS
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Shanghai Institute of Ceramics of CAS
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Priority to CN201910272617.1A priority Critical patent/CN110053411B/en
Publication of CN110053411A publication Critical patent/CN110053411A/en
Priority to PCT/CN2020/082991 priority patent/WO2020200280A1/en
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Publication of CN110053411B publication Critical patent/CN110053411B/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B44DECORATIVE ARTS
    • B44CPRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C5/00Processes for producing special ornamental bodies

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  • Adhesives Or Adhesive Processes (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The present invention provides the magnetic restorative procedure of the phyllosilicate art work, and the split pieces of the phyllosilicate art work are attracted each other by magnetic medium and are connected.In the present invention, it is repaired using the phyllosilicate art work of the magnetic medium to attract each other to fracture cracking, it avoids and is bonded at present using binding material, so that the defect that break surface scientific information can not retain, simultaneously, the magnetic medium to attract each other can be regularly replaced according to the power of its magnetic property performance, during further effectively having evaded current use binding material, since the ageing failure of binding material causes the phyllosilicate art work to be broken the unpredictable destructions such as cracking again.

Description

The magnetic restorative procedure of the phyllosilicate art work
Technical field
The present invention relates to the arts work to protect field, and the novel reparation more particularly, to a kind of phyllosilicate art work is solid Type technology, the specific main sucking action using between magnetic material, the technical method that the fracture art work repair curable type.
Background technique
The phyllosilicate art work is primarily referred to as ancient times and modern times using silicate material as the material carrier of matrix, including stone The matter art work, soil property, brick and tile, ceramics and coloured glaze etc., their enormous amounts, of the remote past and distribution is extensive, wherein there is portion It point resists that environmental attack ability is poor, is subjected to the continuous destruction erosion of the factors such as buried soil, environment weathering, geographical disaster, easily It changes or various change easily occurs, lesion the most typical surely belongs to fracture cracking.Such as world cultural heritage Emperor Qin The unearthed ancient times ceramic art work of Di Ling museum, due to being covered pressure by heavy soil etc. deeply and destroyed in land burial many years And be bitty relic when unearthed, it loses original elegance and affects the values such as its high art and science, So having to pass through effective, scientific reparation in view of this could restore to restore its original pattern.
Mainly carry out the bonding of section, great Liang Yan using organic binding material about the reparation of the phyllosilicate art work at present Study carefully in the research and development and update of reporting the selection for being concentrated mainly on adhesives, Performance Evaluation and material, these organic bonding materials The resistance to ag(e)ing of material is its fatal defect, after the vertex-gluing graph for being applied to phyllosilicate especially ancient artifacts, bonding Failure can not estimate become be difficult to overcome the problems, such as at present.
Summary of the invention
In view of the above-mentioned problems, the present invention is directed to prevent from using adhesives aging to cause adhesive failure at present, lead to skill The destruction of the fracture cracking of art product again etc. provides new method.
A kind of magnetic restorative procedure for being broken the phyllosilicate art work is provided herein, comprising: by the phyllosilicate art work Split pieces are attracted each other by magnetic medium and are connected.
In the present invention, is repaired, kept away using the phyllosilicate art work of the magnetic medium to attract each other to fracture cracking Exempt from current use binding material to be bonded, so that the defect that break surface scientific information can not retain, meanwhile, it attracts each other Magnetic medium can be regularly replaced according to the power of its magnetic property performance, further effectively evaded it is current using bonding In materials process, since the ageing failure of binding material causes the phyllosilicate art work to be broken again, cracking etc. is unpredictable to be broken It is bad.
Preferably, also forming mortise-tenon joint between the magnetic medium.Bonding strength can be increased in this way.
It is highly preferred that forming sawtooth pattern connection between the magnetic medium.Bonding strength can be further increased in this way.
Preferably, magnetic medium is respectively set on section wait connect two split pieces are respective.
Preferably, the side in magnetic medium is magnet, another party is the connection medium that can be attracted by magnet.To the plane of disruption Punching, and by magnetic medium in the hole of split pieces, the magnet in a section has relative in section indent Recess portion can have the connecting column relative to section protrusion by the connection medium that magnet attracts in another section, incite somebody to action When two section fittings, the protrusion connecting column is matched with the inner fovea part.
Preferably, magnetic medium is respectively set on two respective surfaces for not influencing artistic effect of split pieces.
Preferably, the magnetic medium is free to rotate relative to surface connected to it.
Preferably, the magnetic medium is connected on the universal wheel Nian Jie with the surface.
Preferably, the side in the magnetic medium is magnet, another party is the connection medium that can be attracted by magnet, preferably Ground, the magnet are neodium magnet, and the connection medium is iron.
According to the present invention it is possible to prevent from causing adhesive failure using adhesives aging at present, lead to the art work again The problems such as fracture cracking, can be realized the reliable lasting reparation of the phyllosilicate art work of fracture cracking.
Detailed description of the invention
Fig. 1 is the magnetic structural schematic diagram repaired according to the phyllosilicate art work of an implementation form of the invention
Fig. 2 is to repair structural schematic diagram according to the magnetic of the relatively thin phyllosilicate art work of an implementation form of the invention.
Symbol description:
1. being broken historical relic
2. being broken the section of historical relic
3. embedded magnet
4. connecting hole
5. mounting medium
6. embedded connection medium
7. connecting column
8. the magnetic medium of the relatively thin art work
9. the zigzag of magnetic medium is attracted face
10. universal wheel swivel head
11. universal wheel bar
12. cementing medium
13. adhesive surface.
Specific embodiment
The present invention is further illustrated below in conjunction with attached drawing and following embodiments, it should be appreciated that attached drawing and following embodiments It is merely to illustrate the present invention, is not intended to limit the present invention.
A kind of method repaired to the fracture phyllosilicate art work is disclosed, this method includes by phyllosilicate The split pieces of the art work are attracted each other by magnetic medium to be connected.
In the disclosure, the phyllosilicate art work refers to using silicate material as matrix, has artistic and/or scientific value Article may be, for example, the stone matter art work, the pottery art work, brick and tile or ancient building colored glaze art product etc..In one typical case, silicon The hydrochlorate matter art work is silicate cultural relic.
In one embodiment, magnetic medium is respectively set on two split pieces to be connected, it is mutual by magnetic medium Attract and two split pieces is made to be connected.
Magnetic medium can be embedded on the section of split pieces, and may also set up does not influence skill in other positions such as split pieces On the surface of art effect.
In magnetic medium on two split pieces, a side is magnet (substance that can generate magnetic force), and another party is energy The magnetic material attracted by the magnet.
The magnet can be the material with larger magnetic behavior, preferably neodium magnet.
The magnetic material (also known as connection medium) can be with higher-strength, corrosion-resistant, ageing-resistant performance, have magnetism The metals such as the material of performance, preferably iron.
In preferred embodiment, magnetic medium not only attracts each other, but also mutually forms mortise-tenon joint.Mortise-tenon joint is Refer to the concave-convex connection type combined.Bumps, which combine, can be a concave-convex combination, is also possible to multiple bumps and combines, such as sawtooth Type combines.In the case where handling convenient situation, preferably several concave-convex combinations can make the connection of split pieces more secured in this way.
In one embodiment, the connecting column of protrusion is set on a section, and is installed in the corresponding positions of an another section Female connecting hole is set, the female connecting hole on the connecting column and another section is made to cooperate and form mortise-tenon joint.
Preferably, on connection medium, female connecting hole is arranged on the magnet being embedded in section for connecting column setting.It is recessed Shape connecting hole can also be from magnet to section internal stretch.
Connecting column can be for higher-strength, corrosion-resistant, ageing-resistant performance material, preferably aluminium alloy, titanium alloy etc. have Magnetic metal medium.
In another embodiment, magnetic medium itself is formed as concaveconvex structure, to mutually form mortise-tenon joint.
Fig. 1 shows the magnetic structural schematic diagram repaired of the phyllosilicate art work of an implementation form according to the present invention.Such as Shown in Fig. 1, in the case where art work split pieces are thicker, magnetic medium can be arranged in split pieces wait connect on section, Such as in the hole of section.In preferred embodiment, mortise-tenon joint is formed between magnetic medium, specifically, magnetic medium Including magnet and the connection medium that can be attracted by magnet.Magnet in a section has relative in section indent Recess portion (connecting hole), the embedded connection medium in another section have the connecting column relative to section protrusion, are inciting somebody to action When two section fittings, the protrusion connecting column is matched with the inner fovea part connecting hole, forms mortise-tenon joint.Concrete operations step It suddenly can be as described below.
Firstly, can be turned over using 3D printing technique or modulus in order to ensure the safety of the art work in repair process Mould technology is chosen the heat-resisting materials such as fire resisting gypsum and is replicated to the art work.
The position of magnet and connection medium on two sections is determined on the duplicate of the art work.Then, disconnected at one 2 fixed magnet 3 of section to be connected that splits phyllosilicate arts reproduction product 1 (abbreviation split pieces), another split pieces 1 to Connection section 2 is fixedly connected with medium 6.
Specifically, by magnet 3 and connection on being broken the phyllosilicate art work two split pieces duplicate 1 to be connected The position of medium 6 corresponds to each other.The quantity of each section magnetic medium can be selected according to type, the weight etc. of the art work, Generally preferably 1~2.The depth of magnetic medium, maximum gauge with the not excess destruction art work and enable magnetic medium effectively to insert Enter to be advisable, can be selected according to art work type, weight etc..The shape of magnetic medium is can cube shaped, cylindrical Deng.
It is punched on two sections, to be respectively embedded into magnet member 3 and connection medium 6.Drilling method may be, for example, use Dental round bur etc..After punching in preferred cleaning eye and break surface.In side, there is the magnet 3 of spill (preferably to exist for placement Center has female connecting hole), in the other side, placement connects medium 6 and the connecting column 7 with convex.
The alignment for determining two section connection media of duplicate, makes magnet member, such as form according to neodium magnet Sintering process carries out the magnet member of production corresponding size.
Female connecting hole in magnet member 3 can be to be formed in process of shaping-sintering.In addition, removing magnet member 3 Body is formed with other than female connecting hole, can also have the hole that can be accepted with female connecting hole in section, to extend spill company The length for connecing hole makes connecting hole have enough depth, to increase the bonding strength of two sections.Drilling method may be, for example, Using dental round bur etc..After punching, in cleaning eye and break surface.The shape of female connecting hole is can cube shaped, circle Cylinder shape etc., preferably cylindrical.
Preferably, the magnet member 3 with female connecting hole 4 is fixed on historical relic section 2.It, can be with as fixing means It is fixed as shown in Figure 1 using mounting medium 5, so that magnet member is fixed on historical relic section, from being easily changed magnet structure From the point of view of part, it is preferred to use fixed screw is fixed.
Then, the connection medium 6 that can mutually attract with spill magnet member is disposed in the other side, preferably has magnetic iron Equal metals.Connection medium belongs to joinery and its construction, no longer needs to fix.Meanwhile connection medium 6 can have hole, and in connection 6 hole of medium Interior place has the connecting columns such as the metal aluminum alloy ageing-resistant, corrosion-resistant, intensity is high.Tenon is formed between connecting column and connection medium Fourth of the twelve Earthly Branches structure.Connecting column does not preferably have magnetism.Connecting column role is the connection of joinery and its construction, magnetic medium role It is fixed.If connecting column also selects magnetic medium, the active force to attract each other will disorder.7 convex portion of connecting column will It is connected with the magnet 3 with female connecting hole 4.
In another embodiment, connecting column can also be arranged on magnet 3, and make connection medium 6 that there is female connecting hole, The convex portion of connecting column is connected with the connection medium with female connecting hole.
Two section phase splits make magnetic using the joinery and its construction that two sections are respectively spill magnet and convex connecting hole Property medium attract each other, and then realize that the fixed of two sections of arts reproduction product is repaired.
Operation processing is carried out in art work break surface by above step, and then realizes that the fixation of two sections of the art work is repaired It is multiple.
Fig. 2 shows the magnetic structural schematic diagrams repaired of the phyllosilicate art work of another implementation form according to the present invention. As shown in Fig. 2, what magnetic medium 8 can be arranged in split pieces 1 does not influence its artistic effect in the case where split pieces are relatively thin Surface at, such as its inner surface.In addition, the setting position of magnetic medium preferably adjacent to section 2 at.
Equally, it in order to ensure the safety of the art work in repair process, can be turned over using 3D printing technique or modulus Mould technology is chosen the heat-resisting materials such as fire resisting gypsum and is replicated to the art work.
It, can be by magnetic medium relative to split pieces when replicating split pieces surface irregularity, there is curvature Surface form free to rotate is mounted on split pieces surface, and the position for facilitating to adjust magnetic medium in this way is to realize magnetic Accurate fit between property medium.In one embodiment, universal wheel is set on split pieces surface, and magnetic medium 8 is connected On universal wheel.For example, universal wheel is revolved as shown in Fig. 2, cementing medium 12 is bonded in split pieces surface by bonding plane 13 Rotary head 10 is built in cementing medium 12, and magnetic medium 8 is connected on universal wheel bar 11.Cementing medium material can be according to historical relic sheet Body performance is selected, preferably acrylic resin, epoxy resin etc..
In magnetic medium 8, a side is magnet, and another party is the magnetic material that can be attracted by the magnet.
In preferred embodiment, mortise-tenon joint is formed between magnetic medium 8.For example, having on the contact surface of two magnetic mediums Having being capable of mutually matched sawtooth pattern construction 9.
By two section phase splits, and the position of two magnetic mediums 8 is adjusted, two magnetic mediums 8 is made to match and mutually inhale Draw and section is fixed.
Operation processing is carried out in art work break surface by above step, and then realizes consolidating for relatively thin two sections of the art work Periodical repair is multiple.
The magnetic recovery technique of the phyllosilicate art work through the invention, using the magnetic medium to attract each other to breaking apart The phyllosilicate art work split is repaired, and is avoided and is bonded at present using binding material, so that break surface science is believed The defect that can not retain is ceased, meanwhile, the magnetic medium to attract each other can be regularly replaced according to the power of its magnetic property performance, During further effectively having evaded current use binding material, since the ageing failure of binding material causes phyllosilicate skill Art product are broken the unpredictable destructions such as cracking again.
Enumerate embodiment further below with the present invention will be described in detail.It will similarly be understood that following embodiment is served only for this Invention is further described, and should not be understood as limiting the scope of the invention, those skilled in the art is according to this hair Some nonessential modifications and adaptations that bright above content is made all belong to the scope of protection of the present invention.Following examples are specific Technological parameter etc. is also only an example in OK range, i.e. those skilled in the art can be done properly by the explanation of this paper In the range of select, and do not really want to be defined in hereafter exemplary specific value.
Embodiment 1
The ceramic simulation sample block 1 voluntarily fired is cut, having a size of 50*50*20mm, the clean simultaneously dried for standby of removing surface.
Ceramic analog sample is replicated using 3D printing technique, material selects fire resisting gypsum material.
The position of embedded magnet and connection medium on two sections 2 for needing to be bonded is divided on duplicate surface, is determined The depth about 3-5mm of magnet opening is disposed, bore dia or side length are 10mm, and the depth of control connection medium holes is about the 2 of magnet opening Again, diameter or side length are the half of magnet opening.
Determine the alignment of two section connecting holes.In order to make the magnet member effectively closely sealed with magnet opening, adopt It is ground with the brill that dental drill bit is attached hole on demand at cross section place, and the powder of mill will be bored in hole using high-pressure jet head End is purged.
The alloy for making ferromagnetic material is ground into particle, aggregation forms and is sintered, is cut into and magnet pore size phase one The magnet member of cause has the cylindrical hole of perforation at magnet member center.
Magnet member is fixed by fixed screw, the magnet member prepared is placed in the disconnected of arts reproduction product Face.
Then, the connection medium that can mutually attract with spill magnet is disposed in the other side, what selection mutually attracted with neodium magnet Aluminium alloy connecting column is put in connecting hole by embedded mounting medium iron plate after fixed.Section carries out contraposition split, realizes ceramic The fixed of two sections of sample duplicate is repaired.
Use the fixed repair place maximum stress value of universal testing machine three-point bending method test for 24.76N/mm2, can Play the role of connection well to repair.
Operation processing is carried out in ceramic sample break surface by above step, and then realizes that the fixed of two sections is repaired.
Industrial applicability
The magnetic recovery technique of silicate cultural relic through the invention cracks to fracture using the magnetic medium to attract each other The phyllosilicate art work repaired, avoid and be bonded at present using binding material, so that break surface scientific information The defect that can not retain, meanwhile, the magnetic medium to attract each other can be regularly replaced according to the power of its magnetic property performance, into During one step has effectively evaded current use binding material, since the ageing failure of binding material causes phyllosilicate artistic Product are broken the unpredictable destructions such as cracking again.

Claims (9)

1. a kind of magnetic restorative procedure for being broken the phyllosilicate art work, which is characterized in that by the fracture of the phyllosilicate art work Piece is attracted each other by magnetic medium and is connected.
2. the method according to claim 1, wherein also forming mortise-tenon joint between the magnetic medium.
3. according to the method described in claim 2, it is characterized in that, which is characterized in that form sawtooth between the magnetic medium Type connection.
4. according to the method in any one of claims 1 to 3, which is characterized in that respective wait connect in two split pieces Magnetic medium is respectively set on section.
5. according to the method described in claim 4, it is characterized in that, being embedded in split pieces to plane of disruption punching, and by magnetic medium Hole in, magnet in a section has the inner fovea part relative to section indent, the energy quilt in another section The connection medium that magnet attracts has the connecting column relative to section protrusion, when two sections are bonded, the protrusion connection Column is matched with the inner fovea part.
6. according to the method in any one of claims 1 to 3, which is characterized in that do not influence two split pieces are respective Magnetic medium is respectively set on the surface of artistic effect.
7. according to the method described in claim 5, it is characterized in that, the magnetic medium can be certainly relative to surface connected to it By rotating.
8. according to the method described in claim 6, it is characterized in that, the magnetic medium is connected to Nian Jie with the surface On universal wheel.
9. method according to any one of claim 1 to 8, which is characterized in that the side in the magnetic medium is magnetic Iron, another party are the connection medium that can be attracted by magnet, it is preferable that the magnet is neodium magnet, and the connection medium is iron.
CN201910272617.1A 2019-04-04 2019-04-04 Magnetic repairing method for silicate artwork Active CN110053411B (en)

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PCT/CN2020/082991 WO2020200280A1 (en) 2019-04-04 2020-04-02 Magnetic restoration method for silicate artefact

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020200280A1 (en) * 2019-04-04 2020-10-08 中国科学院上海硅酸盐研究所 Magnetic restoration method for silicate artefact

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205180544U (en) * 2015-11-04 2016-04-27 大连华工创新科技股份有限公司 Quick replacement shoe heel
CN207285415U (en) * 2017-09-13 2018-05-01 王保锋 A kind of Intelligent bracelet anti-pull mechanism for preventing fracture
CN207392658U (en) * 2017-10-17 2018-05-22 佛山市索图建材发展有限公司 A kind of high intensity can simultaneously polish the Antique Imitation Tiles of renovation
JP6402956B1 (en) * 2017-10-11 2018-10-10 東 由紀子 Oscillator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104553580A (en) * 2013-10-09 2015-04-29 陈同 Stereoscopic painting
US20150273933A1 (en) * 2014-03-26 2015-10-01 Tira Meninga Interchangeable Decorative Components
CN208216380U (en) * 2018-05-23 2018-12-11 北京华夏金钰文化有限公司 A kind of ceramic inserts structure convenient for cleaning
CN110053411B (en) * 2019-04-04 2020-11-10 中国科学院上海硅酸盐研究所 Magnetic repairing method for silicate artwork

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205180544U (en) * 2015-11-04 2016-04-27 大连华工创新科技股份有限公司 Quick replacement shoe heel
CN207285415U (en) * 2017-09-13 2018-05-01 王保锋 A kind of Intelligent bracelet anti-pull mechanism for preventing fracture
JP6402956B1 (en) * 2017-10-11 2018-10-10 東 由紀子 Oscillator
CN207392658U (en) * 2017-10-17 2018-05-22 佛山市索图建材发展有限公司 A kind of high intensity can simultaneously polish the Antique Imitation Tiles of renovation

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
西安碑林博物馆: "《碑林集刊 11》", 31 December 2005, 西安:陕西人民美术出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020200280A1 (en) * 2019-04-04 2020-10-08 中国科学院上海硅酸盐研究所 Magnetic restoration method for silicate artefact

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