Metallic pink and cobalt of alloyed powder surface cover a method

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This invention of technical domain 　 involves pink of a kind of metal and cobalt of alloyed powder surface to cover a method. Cobalt of metal of setting technology 　 is to make the crucial material that exceeds hard data tool, be in before in exceeding hard data tool, cobaltic content is 20~80% . But cobaltic price is high, our country is the country with poor cobalt, and consider to make clear, in the cobalt in tool of making synthetic diamond, just be in its surface (interface) act well with diamond or other metal, the cobaltic alloy that its surface place makes, also be in only and the interface that diamond contacts just has effect, the cobalt in cobaltic in-house itself does not have action, be like not will effective cobaltic take out, will greatly the cost that reduces metallic bond, the property that can keep original is changeless. Because this reduces cobaltic content, excogitate new-style metal bond, it is to exceed what hard data makes moral trade to tackle key problem at present target. A lot of methods that replace cobalt introduced in the document previously, but use property actually all poorer. Inventing the purpose that content 　 invents originally is: Offer a kind to cover the method of an even cobalt in surface of low cost metal, the material that makes through this method has cobaltic character in metallic surface, and can achieve make exceed hard data requirement. This invention comes true through program of the following technology: Pink of a kind of metal or cobalt of alloyed powder surface cover a method, have metallic pink or alloyed powder face deoxidization is handled first, put it into cobaltic salt solution to undertake chemical macerate again, reductive reaction will have after its are dry, undertake passivation is handled after that. A.

Deoxidization processing: Answer to be metallic pink and alloyed powder below hydric atmosphere condition, and hour of reductive inside 520~6000c temperature limits 4~8; B.

Macerate: The metallic pink after answering to handle classics to oxigenate and alloyed powder cool first, enter the macerate in cobaltic salt solution in hydric protection transfer to a lower level after that 0.

5~1 hour; C.

Dry: Should throw stock with centrifugal first dry, after that again stoving; D.

Reductive: Should fall in hydric atmosphere reductive, reductive temperature is 780~8800c, time is 2~6 hour; E.

Passivation processing: Opening the stock after classics is reductive after cooling below hydric condition, fall under the room temperature state of 300c in temperature will hydric change tall pure nitrogen, in maintain the condition with ceaseless and current nitrogen to fall, discontinuous infuse air. The drying in narrating measure C is in putting stock oven, stoving temperature is 100~1600c, the time of stoving is 2~6 hour; What what narrate measure D is reductive all providing form with the passivation processing of measure E undertake inside furnace; The passivation that narrates measure E connects nitrogen and airy method to be in processing: In passivation in the begining, to air of the infuse in be basic gas with nitrogen, first infuse 100~300ml, after half hours again infuse air 100~300ml, undertake 5 times so, after passing half hours, infuse air 400~500ml, infuse 3 hind, again infuse air 800~100ml two, first content of the air in the gas mixture of interfuse should be 8~22% , should connect air to be 100% when, repass half hours, passivation ends. Narrates metallic pink and alloyed powder are melting point all metals in 12000c above and alloy. Narrates metallic pink and alloyed powder are melting point all metal carbide in 16000c above, nitride and silicon change thing. The solution of solubility complexing content that solution of narrates solubility cobaltic salt is chloridize cobalt, nitric acid cobalt, vitriolic cobalt and cobalt. What narrates furnace tubal form uses is stainless steel furnace. Pass the technics of above, can make normally the cobaltic content in cobalt radical bond reduces 1/15~1/20, reduced cobaltic content, saved many cobaltic natural resources, and practice makes clear, the product that introduces afore-mentioned honest legal system to become and normally the function of cobalt radical goods is same, but the price of the product was reduced however a lot of, because this uses this method,manufacturing material can give an enterprise bring huge economic benefits. The material that makes with using this method below does bond to reach what do bond to be made respectively with diamond material to curium, have comparative test. Experimental result expresses as follows: Dosage of diamond of G/cm3 of material theory density bond dosage (Kg) bond cost (yuan / pay) cut speed (M2/hr) cut life (M2) fund of common cobalt of 　 of cut stone material belongs to bond 9.

40/50~60/70 1 of 06 450 carat.

86 194.

25 4.

The bond that pearl of 3 280 Shandong spends 　 to use this invention place to make makings of iron base material cooperate 8.

73 amounts grade is Alexandrine 1.

79 91.

65 4.

5 278 Alexandrine 　 can be informed the bond that makes by this invention and common cobalt from inside this experiment base bond is able to reduce substantially in the cost below the situation with same function. Particular executive kind: Executive exemple 1: The metallic noodles or vermicelli made from bean or sweet potato starch that this example uses and alloyed powder are iron pink, the weight that weighs pink extraction iron is 20 kilograms. In chemical macerate process, macerate fluid is: The solution of solubility cobaltic salt of 30% 5 kilograms, its cobalt salt is chloridize cobalt. Have iron white deoxidization handles above all: Namely iron pink park in furnace of a stainless steel, connect hydrogenous content for 99.

99% high pure and hydric, below hydric atmosphere condition, temperature is 520 Celsius, make iron pink reductive 8 hours; the iron pink after deoxidization is handled refrigeration comes room temperature (under 30 Celsius) , chemical macerate undertakes 1 hour in the solution that enters solubility chloridize cobalt in hydric atmosphere transfer to a lower level after that; Take out the iron powder after classics macerate, swing its with centrifugal dry (after macerate fluid reclaims, can continue to use) . Put the iron powder after working via swinging in stainless steel dish on, put the drying inside stoving box 6 hours again, setting of the temperature inside stoving box is in 100 Celsius, during this need not aeriform protection; Get stoving hind semi-manufactured goods is put into the stainless steel furnace of furnace tubal form, connect high pure and hydric reductive processing undertakes below the condition that makes its are 780 Celsius in temperature, settling time is 6 hours, understanding hydric requirement next next cooling undertaking, the stock after refrigeration enters passivation processing; The stainless steel that passivation processing still is providing type furnace undertakes in furnace, when the temperature of stock reachs room temperature, the tall purity nitrogen that becomes hydric switch is enraged (99.

999% ) ; Answer in the begining when passivation to nitrogen inside discontinuous infuse air, passivation in the begining first infuse air 100ml, after half hours, again infuse 100ml, undertake 5 times so, after passing half hours again, infuse gas 500ml, undertake 3 times; After half hours, again infuse 1000ml two; In the nitrogen that connects first and air gas mixture, 22% what airy bulk content is both bulk gross, air content adds slowly again later, in the gas that should connect, empty tolerance is occupied 100% when, repass half hours, passivation handles an end. In passivation operation, when Celsius of 40~80 of temperature prep above, answer to stop aspirated instantly, after falling till temperature nature, continue again aspirated. The cobalt that passes afore-mentioned measure aftertreatments enclothes iron pink to use vacuum-packed machine to undertake packing. Executive exemple 2: The metallic noodles or vermicelli made from bean or sweet potato starch that this executive exemple uses also is iron pink, exterior cobalt is enclothed method and executive exemple the method of 1 is basic and same, iron pink says to take quantity and macerate fluid dosage also with executive exemple 1 identical, but macerate fluid is the cobaltic solution of solubility nitric acid of 35% ; In deoxidization processing, connect to the middle of stainless steel furnace high pure and hydric, below hydric atmosphere condition, temperature is 590 Celsius, reductive 6 hours; the iron pink after deoxidization is handled refrigeration comes room temperature, enter the macerate in the solution of cobalt of solubility nitric acid 45 minutes in hydric protection transfer to a lower level after that; Will swing the iron pink after working to be put in stainless steel dish on, put into stoving box, temperature setting falls in the circumstance of 130 Celsius, stoving 4 hours; In passivation processing process, in the nitrogen that connects first and air gas mixture, airy content is both gross 15% " calculate by volumenometer " , passivation in the begining first infuse air 200ml, after half hours, again infuse 200ml, undertake 5 times so, after passing half hours again, infuse 450ml, undertake 3 times; After half hours, again infuse 800ml two, in the gas that should connect, empty tolerance is occupied 100% when, repass half hours, passivation handles an end. The equipment in other technology parameter and technological process all with carry out 1 identical. Executive exemple 3: The metallic noodles or vermicelli made from bean or sweet potato starch that this executive exemple uses also is iron pink, exterior cobalt is enclothed method and executive exemple the method of 1 is same, but macerate fluid contains solubility for 42% pH indicator the solution of vitriolic cobalt. In passivation processing process, passivation in the begining first infuse air 300ml, after half hours, again infuse 300ml, undertake 5 times so, after passing half hours again, infuse gas 400ml, undertake 3 times; After half hours, again infuse 900ml two; In the nitrogen that connects first and air gas mixture, 8% what airy bulk content is both bulk gross, air content adds slowly again later, in the gas that should connect, empty tolerance is occupied 100% when, repass half hours, passivation handles an end. The equipment in other technology parameter and technological process all with carry out 1 identical. Executive exemple 4: The metallic noodles or vermicelli made from bean or sweet potato starch that this executive exemple uses and alloyed powder are iron pink 20 kilograms, macerate fluid is dissolubility of 38% pH indicator cobaltic salt solution 5 kilograms, among them cobaltic salt is chloridize cobalt. Undertake deoxidization is handled above all, iron pink park in furnace of a stainless steel, connect high pure and hydric, temperature is reached to be 580 Celsius below hydric atmosphere condition, reductive 6 hours, refrigeration comes room temperature, in hydric protection transfer to a lower level enters macerate of the chemistry in the solution of solubility chloridize cobalt half hours; Take taphole pink to be swung with centrifugal dry. Put iron powder stainless steel again dish on, put into stoving box, stoving temperature setting is in 120 Celsius, the time of stoving is 4 hours, in the stainless steel furnace that puts the semi-manufactured goods that makes heat tubal form, connect high pure and hydric, temperature setting is in 820 Celsius, undertake reductive processing, 4 hours are between meantime, understanding hydric requirement next next cooling undertaking, via the processing of stock reentrance passivation after refrigeration; The stainless steel that this passivation processing still is providing type furnace undertakes in furnace, when the temperature of stock reachs room temperature, the tall purity nitrogen that becomes hydric switch is angry, in maintain the condition with ceaseless and current nitrogen to fall, discontinuous infuse air, passivation in the begining, infuse 200ml, after half hours, again infuse 200ml, undertake 5 times so, through half hour hind, infuse 400ml, undertake 3 times inside half hours; Next, again infuse 1000ml two, connect nitrogen and airy to mix first among them, air content is in 22% , add air content slowly after that, can send with 100% air after two hours, repass half hours, passivation handles an end. In passivation unit process of cargo bandling, when Celsius of 40~80 of temperature prep above, answer to stop aspirated instantly, after falling till temperature nature, continue again aspirated. Executive exemple 5: The metallic noodles or vermicelli made from bean or sweet potato starch that this executive exemple uses and alloyed powder are iron pink, the weight of this iron pink is 20 kilograms. Macerate fluid prepares: Dissolubility of 50% pH indicator is cobaltic saline solution 5 kilograms, among them cobaltic salt is chloridize cobalt. When deoxidization is handled, iron pink is in stainless steel furnace, below hydric atmosphere condition temperature setting is 660 Celsius, reductive 4 hours; Refrigeration comes after room temperature, chemical macerate undertakes half hours in the solution that enters solubility chloridize cobalt in hydric protection transfer to a lower level; Take taphole pink to be swung with centrifugal after that dry; Put iron powder stainless steel again dish on, in putting temperature to set the stoving case that is 160 Celsius, stoving 2 hours, during this need not aeriform protection; In the stainless steel furnace that puts the semi-manufactured goods after stoving heat tubal form, connect high pure and hydric, temperature setting is 880 Celsius, settling time is 2 hours, understanding hydric requirement next next cooling undertaking, the stock after refrigeration enters passivation processing; This passivation processing still is in stainless steel furnace, when the temperature of stock reachs room temperature, the tall purity nitrogen that becomes hydric switch is angry, in maintain the condition with ceaseless and current nitrogen to fall, discontinuous to air of the infuse in nitrogen, passivation in the begining, infuse 200ml, after half hours, again infuse 900ml two, connect content of the airy in nitrogen and airy gas mixture to take two kinds of gas first 15% (bulk is compared) , other with executive exemple 4 identical. Afore-mentioned metallic noodles or vermicelli made from bean or sweet potato starch that use in all executive exemples reach alloyed powder, plant except the other either that melting point still can use to be 1200 Celsius above outside using iron noodles or vermicelli made from bean or sweet potato starch metallic pink or the other either that use melting point to be 1600 Celsius above are planted metallic carbide pink. The cobalt of these stock enclothes a method to be able to use the either in afore-mentioned executive exemples to plant. In the stock in afore-mentioned executive exemples dry the natural and dry method in also can using air. The product in this invention all is used vacuum-packed. CNC Milling CNC Machining