CN102050618A

CN102050618A - New use of toughened ceramic

Info

Publication number: CN102050618A
Application number: CN 201010527498
Authority: CN
Inventors: 文鹏飞; 张师强; 文彦昭
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-10-30
Filing date: 2010-10-30
Publication date: 2011-05-11

Abstract

The invention dioceses a new use of toughened ceramic. The toughened ceramic has a volume density of more than or equal to 2.85 g/cm3, a normal-temperature withstand voltage strength (MPa) of more than or equal to 230, a moh's hardness of more than or equal to Grade-VII, a normal-temperature rupture strength (MPa) of more than or equal to 120 and a fracture toughness of more than or equal to 1.0 MPam1/2, and can be used for manufacturing whole furniture, assembly furniture, sets of furniture, furniture parts, plates for decoration and profiles. The toughened ceramic has the advantages of water tightness, fire protection, pollution prevention, no deformation, invariant color, no cracking, acid and alkali resistance, corrosion resistance and no radiation, as well as high strength, high toughness and good forming and cutting performance and can replace timbers, aluminums, steel products, toughened glass, bamboos and rattans and plastics to manufacture the furniture. The new use of the toughened ceramic facilitates forest resource protection, human health and cyclic use and not only develops a new use for the toughened ceramic in the furniture manufacturing process, but also satisfies the requirements in the furniture manufacturing technology to produce and manufacture the furniture made of novel materials. The new invention has the advantages that not only the forest resources but also the environment can be protected, and the economic can develop in a coordinated and healthy way advantageously.

Description

The new purposes of tempering pottery

Technical field

The present invention relates to the new purposes of tempering pottery.

Background technology

Pottery is of many uses, can be divided into industrial ceramics, civilian pottery and the art pottery by use range.In industrial ceramics, be mainly used in filler, sorbent material, filtering medium, weighting agent and various ceramic tile (plate) etc. in the industry such as chemical industry, petrochemical industry, smelting, building, environmental protection; In civilian pottery, mainly contain building materials pottery, snitaryware, tableware, tea set, drinking utensils, sanitary equipment and vessel etc.; In the art pottery, mainly contain flowerpot, vase, flower bed, ceramic animal body, sculpture and upright stone tablet body etc., though pottery has above-mentioned various uses, but because the inherent fragility of stupalith own and low strength, not impact-resistant birth defects, limited its practical ranges, can't be used for making furniture such as, existing pottery.

Various furniture (comprising monomer, molectron, one-tenth body, parts, sheet material or section bar) mostly use timber and woodwork thereof to make, and also have some to make with a kind of or its combination in aluminium, steel, toughened glass, plastics and the bamboo rattan.Use timber to make furniture; want a large amount of deforestations; not only destroy ecotope easily; be unfavorable for environment protection; and woodwork will use chemical materialss such as formaldehyde as strengthening plate, composition board etc., is detrimental to health, and wood furniture waterproof, fire prevention and preservative property are relatively poor simultaneously; the furniture wearing quality is low, and work-ing life is short.And make furniture with aluminium, steel, and not only furniture manufacturing cost height but also furniture surface color are abundant inadequately, and be perishable, fades easily and variable color, and product uses intensely dark.Not only make trouble and make furniture with toughened glass, the moulding cutting is difficulty relatively, and causes the danger of self-destruction easily.Make furniture with plastics, because plastics fragility is big, big sheet material is difficult for machine-shaping, and is easily broken.Bamboo and cane furniture subject matter is the manufacturing cost height, and wearing quality is lower, and not quite suitable for furniture such as some tables, cabinet and beds.

Summary of the invention

Be restricted at ceramic actual use range in the above-mentioned prior art, the present invention proposes a kind of tempering pottery in the manufacturing new purposes of furniture,

The new purposes of tempering pottery of the present invention, be meant described volume density 〉=2.85g/cm3, cold crushing strength (MPa) 〉=230, Mohs' hardness 〉=7 grade, strength at normal temperature (MPa) 〉=120, the tempering pottery of fracture toughness property 〉=1.0MPam1/2 can be used to make whole furniture, molectron furniture, become body furniture, furniture parts and fitting-up with sheet material and section bar.

The present invention is on existing conventional ceramic basis, by adjusting material rate and improving the preparation method, give full play to aluminum oxide intensity height under the normal temperature, the characteristics of the big and transformation toughening of zirconium white toughness, produce a kind of not only have waterproof, fire prevention, antifouling, indeformable, nondiscoloration, do not ftracture, acid and alkali-resistance is corrosion-resistant, radiationless, but also has the good tempering pottery of high strength, high tenacity, machine-shaping and cutting property, this tempering pottery can replace timber, and aluminium, steel, toughened glass, bamboo rattan and plastics are made furniture; The new application of tempering pottery helps protecting forest resources, and helps human health, helps recycling, and meets Economic development policy and environmental requirement, is new technology and new purposes in the furniture manufacturing process.

Described furniture kind comprises desk, office chair, conference table, desk, desk, tablet chair, bookcase, wine cabinet, wardrobe, galley dresser, cabinet, tea table, bed, sofa, dining table, dining chair, bin, built-in wardrobe, cabinet for TV, artistic cabinet, computer desk, bathroom cabinet, bedside cupboard, dressing table, writing desk, file cabinet, door and window, shoe chest, hanging cupboard, stair and fitting-up sheet material and section bar.

Embodiment

Described tempering pottery Chemical Composition comprises AL ₂O ₃And SiO ₂, AL wherein ₂O ₃Content 〉=40%wt, SiO ₂Content 0.05-59%wt.

The component for preparing the tempering pottery of above-mentioned furniture manufacturing usefulness has main raw material, additional material and auxiliary material, wherein

One, main raw material is at least a in mullite, calcination bauxitic clay, the calcination aluminum oxide powder,

Two, additional material is clay, zirconia powder, rare earth oxide,

Three, auxiliary material is binding agent, dispersion agent, flux

Described binding agent is carboxymethyl cellulose or ethyl cellulose, and described dispersion agent is polymethyl acrylic acid ammonia or polymethyl acrylic acid second fat, and described flux is talcum, rhombspar or barium carbonate.

In the tempering pottery, also can add clay, clay adds the 5-35% that accounts for the main raw material gross weight.

In the tempering pottery, also can add zirconia powder, zirconia powder adds the 2-25% that accounts for the main raw material gross weight.

In the tempering pottery, can also add rare earth oxide, the rare earth oxide add-on accounts for below 5% of main raw material gross weight, and described rare earth oxide is preferably Y ₂O ₃, La ₂O ₃A kind of or its combination wherein.

Tempering of the present invention pottery furniture preparing process process is: raw material-batching-ball milling-deironing-sieve-spraying drying-granulation-old-isostatic pressing-pick-repair-burn till-check-pack warehouse-in-making furniture.

Furniture of the present invention preparation method's step of tempering pottery: press main raw material, additional material, auxiliary material ratio adds it in ball mill and adds an amount of water carries out ball milling formation compound, compound is ground to 250-300 purpose fineness forms mud, mud is put into equipment for removing ferric ion, get rid of irony and its oxide compound, again mud is sieved, guarantee to remove not various raw materials of levigated and impurity iron, the mud that sieves after the deironing is gone into the spraying granule drying plant by force feed, make powder particle slyness, good fluidity, the dry powder that tap density is big, with the dry powder classification of different fineness, the mould of packing into after old 24-48 hour is transported to equal pressing equipment again, and base substrate is made in extrusion molding, base substrate is sent into kiln after the preheating and drying typing, form through 1380-1580 ℃ high-temperature roasting system.

Utilizing above-mentioned tempering ceramic preparation to can be made into thickness is that 2～10mm, size are that following sheet material of 1200 * 3000mm and cross section are that 10 * 10～50 * 50mm, length are the following section bar of 3000mm etc., utilizes these sheet materials and section bar to can be used to make furniture.

Claims

1. the new purposes of tempering pottery, it is characterized in that: described tempering ceramic volumetric density 〉=2.85g/cm3, cold crushing strength (MPa) 〉=230, Mohs' hardness 〉=7 grade, strength at normal temperature (MPa) 〉=120, fracture toughness property 〉=1.0MPam1/2, it can be used to make whole furniture, molectron furniture, become body furniture, furniture parts and fitting-up with sheet material and section bar.