CN102492908A - Manufacturing method for thin Zr4 alloy strip with special structure - Google Patents
Manufacturing method for thin Zr4 alloy strip with special structure Download PDFInfo
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- CN102492908A CN102492908A CN2011104360233A CN201110436023A CN102492908A CN 102492908 A CN102492908 A CN 102492908A CN 2011104360233 A CN2011104360233 A CN 2011104360233A CN 201110436023 A CN201110436023 A CN 201110436023A CN 102492908 A CN102492908 A CN 102492908A
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Abstract
The invention discloses a manufacturing method for a thin Zr4 alloy strip with a special structure. The manufacturing method comprises the following steps of: one. cogging and forging a Zr4 alloy ingot in a beta phase region to obtain a forging billet, and then carrying out water quenching to obtain a Zr4 alloy plate with the thickness of 45 mm-50 mm; two. carrying out hot rolling on the Zr4 alloy plate to obtain a plate billet; three. grinding the surface of the plate billet along the rolling direction of the plate billet, and removing surface defects of the plate billet to lead the surface to be smooth and clean; four. carrying out annealing treatment on the plate billet to obtain an intermediate plate; five. carrying out cold rolling on the intermediate plate till the thickness is no greater than 2.3mm, and then carrying out annealing treatment; and six. carrying out cold rolling on the intermediate plate subjected to the annealing treatment, then carrying out annealing treatment, and obtaining the Zr4 alloy strip with the special structure. The manufacturing method is simple in process flows and strong in process parameter controllability. By adopting the manufacturing method, the orientation factor fT of the structure of the thin Zr4 alloy strip with the thickness below 0.8 mm can be controlled to be larger than or equal to 0.2.
Description
Technical field
The invention belongs to the preparing technical field of Zr4 alloy thin band material, be specifically related to a kind of preparation method with Zr4 alloy thin band material of specific texture.
Background technology
Zirconium alloy has advantages such as thermal neutron absorption cross section is low, thermal conductivity is high, corrosion resistance is good; Therefore be the industry-wide structured material of nuclear power; Wherein the Zr4 alloy is that present nuclear reactor inner assembly uses the most ripe and stable material, and Zr4 alloy strip steel rolled stock product is mainly used in the location grid of making fuel assembly for nuclear reactor.Owing to location grid can cause the problem that the elongation of screen work band relaxes with the Zr4 alloy strip steel rolled stock behind the neutron irradiation in piling, therefore extend in order to compensate irradiation, require nuclear power should have specific microstructure texture with the Zr4 band.Carried out hot rolling and heat treatment phase bonded Zr4 sheet material preparation technology the research that influences rule both at home and abroad, but relevant report has not been seen in the texture control of the following thin strip cold material of 0.8mm the texture orientation factor.
Summary of the invention
Technical problem to be solved by this invention is the deficiency to above-mentioned prior art, provides a kind of thickness to be not more than 0.8mm, texture orientation factor f
TThe preparation method of>=0.2 cold rolling Zr4 alloy thin band material with specific texture.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of preparation method with Zr4 alloy thin band material of specific texture is characterized in that this method may further comprise the steps:
Step 1, the Zr4 alloy cast ingot is carried out cogging at the β phase region forging and to obtain forging stock, is shrend under 1000 ℃～1100 ℃ the condition in the forging stock temperature then, and obtaining thickness is the Zr4 alloy sheets of 45mm～50mm;
Step 2, be to carry out hot rolling under 940 ℃～980 ℃ the condition with the alloy sheets of Zr4 described in the step 1, obtain slab in temperature; Said hot rolled pass reduction is 10%～25%, and the total working modulus of hot rolling is 80%～96%;
Step 3, steel slab surface described in the step 2 is carried out reconditioning along the slab rolling direction, remove the steel slab surface defective and make steel slab surface bright and clean;
Step 4, the slab of removing surface imperfection in the step 3 is carried out anneal, sheet material in the middle of obtaining; The system of said anneal is: annealing temperature is not less than 600 ℃, and soaking time is 1h～5h;
Step 5, sheet material in the middle of described in the step 4 is cold-rolled to thickness is not more than 2.3mm, then the sheet material after cold rolling is carried out anneal; The system of said anneal is: annealing temperature is not less than 600 ℃, and soaking time is 1h～5h;
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture, the direction that blank prolongs in the forging process described in the step 1 are always the axial of starting ingot.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture is described in the step 2 in the course of hot rolling: when treating that rolling Zr4 alloy sheets temperature is lower than 900 ℃, the Zr4 alloy sheets is carried out tempering and is incubated 10min, and then continue rolling.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture, the system of anneal described in the step 4 is: annealing temperature is 600 ℃～650 ℃, and soaking time is 1h～3h, annealing vacuum tightness is not more than 5 * 10
-2Pa.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture, the system of anneal described in the step 5 is: annealing temperature is 600 ℃～650 ℃, and soaking time is 1h～3h, annealing vacuum tightness is not more than 5 * 10
-2Pa.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture, rolling direction cold rolling described in the step 5 is identical with the rolling direction of hot rolled described in the step 2.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture, cold rolling pass reduction is 10%～15% described in the step 5, cold rolling total working modulus is 55%～75%.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture; Method cold rolling described in the step 6 is: adopt hydrogen arc protection welding process that middle sheet material and leader tape are welded to connect; Carry out tension rolling then; Roll speed is 0.1m/s～0.3m/s, and the rolling pass working modulus is 8%～15%, and rolling total working modulus is 25%～65%.
Above-mentioned a kind of preparation method with Zr4 alloy thin band material of specific texture, the system of anneal described in the step 6 is: annealing temperature is 590 ℃～650 ℃, and soaking time is 2h～4h, annealing vacuum tightness is not more than 5 * 10
-2Pa.
The present invention compared with prior art has the following advantages:
1, technical process of the present invention is simple, the processing parameter controllability is strong.
2, adopt method of the present invention can realize the cold rolling Zr4 alloy thin band of the following thickness of 0.8mm material texture orientation factor is controlled to f
T>=0.2.
3, the present invention adopts first hammer cogging; Then through cold rolling in the middle of two roller hot rollings and four rollers; Carry out the rolling prepared nuclear power assembly of four roller finished products at last with Zr4 alloy thin band material; In the forging and the operation of rolling, the direction that blank prolongs is the axial of starting ingot all the time, obtains having the good cold rolling Zr4 alloy thin band material of particular organization's texture, mechanical property and corrosive nature through control forging, rolling technology and annealing schedule.
Below in conjunction with accompanying drawing and embodiment, technical scheme of the present invention is done further detailed description.
Description of drawings
Fig. 1 is the crystal boundary figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 1 preparation tests.
Fig. 2 is the utmost point figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 1 preparation tests.
Fig. 3 is the crystal boundary figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 2 preparations tests.
Fig. 4 is the utmost point figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 2 preparations tests.
Fig. 5 is the crystal boundary figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 3 preparations tests.
Fig. 6 is the utmost point figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 3 preparations tests.
Fig. 7 is the crystal boundary figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 4 preparations tests.
Fig. 8 is the utmost point figure that the EBSD of the Zr4 alloy thin band material of the embodiment of the invention 4 preparations tests.
Embodiment
Embodiment 1
Step 1, with the surface-conditioning of Zr4 alloy cast ingot clean after; On electric furnace, be heated to 100 ℃～200 ℃; The glass powder supercoat is coated on ingot casting surface after heating equably; Then forging temperature be under 1080 ℃ of conditions behind the insulation 2h cogging forge and to obtain forging stock, be shrend under 1050 ℃ the condition in the forging stock temperature, obtaining thickness is the Zr4 alloy sheets of 50mm; The direction that blank prolongs in the said cogging forging process is always the axial of starting ingot;
Step 2, be to carry out hot rolling under 980 ℃ the condition with the alloy sheets of Zr4 described in the step 1, obtain the slab that thickness is 3mm in temperature; The working modulus of said each passage of hot rolling is followed successively by 25%, 25%, 24%, 24%, 23%, 22%, 22%, 20%, 17%, 15%, 13%, 10% and 10%; The total working modulus of hot rolling is 94.0%; The extending direction of blank forges direction along cogging in the operation of rolling, when the alloy sheets temperature is lower than 900 ℃ tempering and be incubated 10min after continue again rolling;
Step 3, steel slab surface described in the step 2 is carried out reconditioning along the slab rolling direction, remove surface imperfection such as peeling, scuffing, metal and nonmetal is pressed into, use mild acid wash after the reconditioning;
Step 4, be that insulation 1h carries out anneal under 650 ℃ of conditions to the slab of removing surface imperfection in the step 3 in temperature, annealing vacuum tightness is not more than 5 * 10
-2Pa, sheet material in the middle of obtaining;
Step 5, sheet material in the middle of described in the step 4 is cold-rolled to thickness is 1.07mm, then the sheet material after cold rolling is carried out anneal; Said cold rolling rolling direction is identical with the rolling direction of hot rolled described in the step 2; The working modulus of cold rolling each passage is followed successively by 15%, 15%, 15%, 14%, 14%, 13% and 10%, and cold rolling total working modulus is 64.3%; The system of said anneal is: annealing temperature is 650 ℃, and soaking time is 1h, and annealing vacuum tightness is not more than 5 * 10
-2Pa;
Band to the present embodiment preparation carries out the EBSD test, and the result sees Fig. 1 and Fig. 2, texture orientation factor: F among Fig. 2
x=f
L, F
y=f
T, F
z=f
N, by the visible grain fineness number of Fig. 1 greater than 10 grades in the ASTM E112 standard, by the texture orientation factor f of the band of the visible present embodiment of Fig. 2
T=0.332; Corrosion test result under the 400 ℃/72h annealing steam corrosion condition shows surrosion≤18.85mg/dm
2
Mechanical property to the band of present embodiment preparation detects, and detected result sees the following form:
The room-temperature mechanical property detected result of the Zr4 alloy thin band of table 1 embodiment 1 preparation
Can find out that from table 1 tensile strength, ys and the unit elongation of the Zr4 alloy thin band material of present embodiment preparation all meet the requirement of the location grid of fuel assembly for nuclear reactor.
Embodiment 2
Step 1, with the surface-conditioning of Zr4 alloy cast ingot clean after; On electric furnace, be heated to 100 ℃～200 ℃; The glass powder supercoat is coated on ingot casting surface after heating equably; Then forging temperature be under 1060 ℃ of conditions behind the insulation 2h cogging forge and to obtain forging stock, be shrend under 1100 ℃ the condition in the forging stock temperature, obtaining thickness is the Zr4 alloy sheets of 45mm; The direction that blank prolongs in the said cogging forging process is always the axial of starting ingot;
Step 2, be to carry out hot rolling under 960 ℃ the condition with the alloy sheets of Zr4 described in the step 1, obtain the slab that thickness is 1.8mm in temperature; The working modulus of said each passage of hot rolling is followed successively by 25%, 24%, 24%, 24%, 23%, 23%, 22%, 22%, 20%, 20%, 18%, 17%, 14% and 10%; The total working modulus of hot rolling is 96.0%; The extending direction of blank forges direction along cogging in the operation of rolling, when the alloy sheets temperature is lower than 900 ℃ tempering and be incubated 10min after continue again rolling;
Step 3, steel slab surface described in the step 2 is carried out reconditioning along the slab rolling direction, remove surface imperfection such as peeling, scuffing, metal and nonmetal is pressed into, use mild acid wash after the reconditioning;
Step 4, be that insulation 2h carries out anneal under 630 ℃ of conditions to the slab of removing surface imperfection in the step 3 in temperature, annealing vacuum tightness is not more than 5 * 10
-2Pa, sheet material in the middle of obtaining;
Step 5, sheet material in the middle of described in the step 4 is cold-rolled to thickness is 0.81mm, then the sheet material after cold rolling is carried out anneal; The working modulus of said cold rolling each passage is 14%, 14%, 13%, 12%, 11% and 10.7%, and cold rolling total working modulus is 55.0%; The system of said anneal is: annealing temperature is 630 ℃, and soaking time is 2h, and annealing vacuum tightness is not more than 5 * 10
-2Pa; Cold rolling rolling direction is identical with the rolling direction of hot rolled described in the step 2;
Band to the present embodiment preparation carries out the EBSD test, and the result sees Fig. 3 and Fig. 4, texture orientation factor: F among Fig. 4
x=f
L, F
y=f
T, F
z=f
N, by the visible grain fineness number of Fig. 3 greater than 10 grades in the ASTM E112 standard, by the texture orientation factor f of the band of the visible present embodiment of Fig. 4
T=0.283; Corrosion test result under the 400 ℃/72h annealing steam corrosion condition shows surrosion≤20.09mg/dm
2
Mechanical property to the band of present embodiment preparation detects, and detected result sees the following form:
The room-temperature mechanical property detected result of the Zr4 alloy thin band of table 2 embodiment 2 preparations
Can find out that from table 2 tensile strength, ys and the unit elongation of the Zr4 alloy thin band material of present embodiment preparation all meet the requirement of the location grid of fuel assembly for nuclear reactor.
Embodiment 3
Step 1, with the surface-conditioning of Zr4 alloy cast ingot clean after; On electric furnace, be heated to 100 ℃～200 ℃; The glass powder supercoat is coated on ingot casting surface after heating equably; Then forging temperature be under 1050 ℃ of conditions behind the insulation 2h cogging forge and to obtain forging stock, be shrend under 1000 ℃ the condition in the forging stock temperature, obtaining thickness is the Zr4 alloy sheets of 45mm; The direction that blank prolongs in the said cogging forging process is always the axial of starting ingot;
Step 2, be to carry out hot rolling under 940 ℃ the condition with the alloy sheets of Zr4 described in the step 1, obtain the slab that thickness is 2.9mm in temperature; The working modulus of said each passage of hot rolling is 23%, 23%, 23%, 22%, 22%, 22%, 20%, 20%, 18%, 17%, 14%, 12% and 10%; The total working modulus of hot rolling is 93.6%; The extending direction of blank forges direction along cogging in the operation of rolling, when the alloy sheets temperature is lower than 900 ℃ tempering and be incubated 10min after continue again rolling;
Step 3, steel slab surface described in the step 2 is carried out reconditioning along the slab rolling direction, remove surface imperfection such as peeling, scuffing, metal and nonmetal is pressed into, use mild acid wash after the reconditioning;
Step 4, be that insulation 3h carries out anneal under 600 ℃ of conditions to the slab of removing surface imperfection in the step 3 in temperature, annealing vacuum tightness is not more than 5 * 10
-2Pa, sheet material in the middle of obtaining;
Step 5, sheet material in the middle of described in the step 4 is cold-rolled to thickness is 0.8mm, then the sheet material after cold rolling is carried out anneal; Said cold rolling rolling direction is identical with the rolling direction of hot rolled described in the step 2; The working modulus of cold rolling each passage is 15%, 15%, 15%, 14%, 14%, 13%, 12%, 12% and 10%, and cold rolling total working modulus is 72.4%; The system of said anneal is: annealing temperature is 600 ℃, and soaking time is 3h, and annealing vacuum tightness is not more than 5 * 10
-2Pa;
Band to the present embodiment preparation carries out the EBSD test, and the result sees Fig. 5 and Fig. 6, texture orientation factor: F among Fig. 6
x=f
L, F
y=f
T, F
z=f
N, by the visible grain fineness number of Fig. 5 greater than 10 grades in the ASTM E112 standard, by the texture orientation factor f of the band of the visible present embodiment of Fig. 6
T=0.334; Corrosion test result under the 600 ℃/3h annealing steam corrosion condition shows surrosion≤19.06mg/dm
2
Mechanical property to the band of present embodiment preparation detects, and detected result sees the following form:
The room-temperature mechanical property detected result of the Zr4 alloy thin band of table 3 embodiment 3 preparations
Can find out that from table 3 tensile strength, ys and the unit elongation of the Zr4 alloy thin band material of present embodiment preparation all meet the requirement of the location grid of fuel assembly for nuclear reactor.
Embodiment 4
Step 1, with the surface-conditioning of Zr4 alloy cast ingot clean after; On electric furnace, be heated to 100 ℃～200 ℃; The glass powder supercoat is coated on ingot casting surface after heating equably; Then forging temperature be under 1050 ℃ of conditions behind the insulation 2h cogging forge and to obtain forging stock, be shrend under 1000 ℃ the condition in the forging stock temperature, obtaining thickness is the Zr4 alloy sheets of 46mm; The direction that blank prolongs in the said cogging forging process is always the axial of starting ingot;
Step 2, be to carry out hot rolling under 940 ℃ the condition with the alloy sheets of Zr4 described in the step 1, obtain the slab that thickness is 9.2mm in temperature; The working modulus of said each passage of hot rolling is 20%, 18%, 18%, 16%, 15%, 15%, 15%, 15% and 15%; The total working modulus of hot rolling is 80.0%; The extending direction of blank forges direction along cogging in the operation of rolling, when the alloy sheets temperature is lower than 900 ℃ tempering and be incubated 10min after continue again rolling;
Step 3, steel slab surface described in the step 2 is carried out reconditioning along the slab rolling direction, remove surface imperfection such as peeling, scuffing, metal and nonmetal is pressed into, use mild acid wash after the reconditioning;
Step 4, be that insulation 5h carries out anneal under 700 ℃ of conditions to the slab of removing surface imperfection in the step 3 in temperature, annealing vacuum tightness is not more than 5 * 10
-2Pa, sheet material in the middle of obtaining;
Step 5, sheet material in the middle of described in the step 4 is cold-rolled to thickness is 2.3mm, then the sheet material after cold rolling is carried out anneal; Said cold rolling rolling direction is identical with the rolling direction of hot rolled described in the step 2; The working modulus of cold rolling each passage is 15%, 15%, 15%, 14%, 14%, 13%, 12%, 11%, 10% and 10%, and cold rolling total working modulus is 75.0%; The system of said anneal is: annealing temperature is 680 ℃, and soaking time is 5h, and annealing vacuum tightness is not more than 5 * 10
-2Pa;
Band to the present embodiment preparation carries out the EBSD test, and the result sees Fig. 7 and Fig. 8, texture orientation factor: F among Fig. 8
x=f
L, F
y=f
T, F
z=f
N, by the visible grain fineness number of Fig. 7 greater than 10 grades in the ASTM E112 standard, by the texture orientation factor f of the band of the visible present embodiment of Fig. 8
T=0.208; Corrosion test result under the 400 ℃/72h annealing steam corrosion condition shows surrosion≤21.02mg/dm
2
Mechanical property to the band of present embodiment preparation detects, and detected result sees the following form:
The room-temperature mechanical property detected result of the Zr4 alloy thin band of table 4 embodiment 4 preparations
Can find out that from table 4 tensile strength, ys and the unit elongation of the Zr4 alloy thin band material of present embodiment preparation all meet the requirement of the location grid of fuel assembly for nuclear reactor.
The above; It only is preferred embodiment of the present invention; Be not that the present invention is done any restriction, every according to inventing technical spirit to any simple modification, change and equivalent structure variation that above embodiment did, all still belong in the protection domain of technical scheme of the present invention.
Claims (9)
1. preparation method with Zr4 alloy thin band material of specific texture is characterized in that this method may further comprise the steps:
Step 1, the Zr4 alloy cast ingot is carried out cogging at the β phase region forging and to obtain forging stock, is shrend under 1000 ℃～1100 ℃ the condition in the forging stock temperature then, and obtaining thickness is the Zr4 alloy sheets of 45mm～50mm;
Step 2, be to carry out hot rolling under 940 ℃～980 ℃ the condition with the alloy sheets of Zr4 described in the step 1, obtain slab in temperature; Said hot rolled pass reduction is 10%～25%, and the total working modulus of hot rolling is 80%～96%;
Step 3, steel slab surface described in the step 2 is carried out reconditioning along the slab rolling direction, remove the steel slab surface defective and make steel slab surface bright and clean;
Step 4, the slab of removing surface imperfection in the step 3 is carried out anneal, sheet material in the middle of obtaining; The system of said anneal is: annealing temperature is not less than 600 ℃, and soaking time is 1h～5h;
Step 5, sheet material in the middle of described in the step 4 is cold-rolled to thickness is not more than 2.3mm, then the sheet material after cold rolling is carried out anneal; The system of said anneal is: annealing temperature is not less than 600 ℃, and soaking time is 1h～5h;
Step 6, the middle sheet material after anneal in the step 5 is carried out cold rolling, obtain the band that thickness is not more than 0.8mm, then said band is carried out anneal, obtain the Zr4 alloy thin band material of texture orientation factor fT >=0.2; The system of said anneal is: annealing temperature is not less than 590 ℃, and soaking time is 2h～5h.
2. a kind of preparation method with Zr4 alloy thin band material of specific texture according to claim 1 is characterized in that, the direction that blank prolongs in the forging process described in the step 1 is always the axial of starting ingot.
3. a kind of preparation method according to claim 1 with Zr4 alloy thin band material of specific texture; It is characterized in that; Described in the step 2 in the course of hot rolling: when treating that rolling Zr4 alloy sheets temperature is lower than 900 ℃; The Zr4 alloy sheets is carried out tempering and is incubated 10min, and then continue rolling.
4. a kind of preparation method according to claim 1 with Zr4 alloy thin band material of specific texture; It is characterized in that; The system of anneal described in the step 4 is: annealing temperature is 600 ℃～650 ℃, and soaking time is 1h～3h, and annealing vacuum tightness is not more than 5 * 10
-2Pa.
5. a kind of preparation method according to claim 1 with Zr4 alloy thin band material of specific texture; It is characterized in that; The system of anneal described in the step 5 is: annealing temperature is 600 ℃～650 ℃, and soaking time is 1h～3h, and annealing vacuum tightness is not more than 5 * 10
-2Pa.
6. a kind of preparation method with Zr4 alloy thin band material of specific texture according to claim 1 is characterized in that rolling direction cold rolling described in the step 5 is identical with the rolling direction of hot rolled described in the step 2.
7. a kind of preparation method with Zr4 alloy thin band material of specific texture according to claim 1 is characterized in that cold rolling pass reduction is 10%～15% described in the step 5, and cold rolling total working modulus is 55%～75%.
8. a kind of preparation method according to claim 1 with Zr4 alloy thin band material of specific texture; It is characterized in that; Method cold rolling described in the step 6 is: adopt hydrogen arc protection welding process that middle sheet material and leader tape are welded to connect, carry out tension rolling then, roll speed is 0.1m/s～0.3m/s; The rolling pass working modulus is 8%～15%, and rolling total working modulus is 25%～65%.
9. a kind of preparation method according to claim 1 with Zr4 alloy thin band material of specific texture; It is characterized in that; The system of anneal described in the step 6 is: annealing temperature is 590 ℃～650 ℃, and soaking time is 2h～4h, and annealing vacuum tightness is not more than 5 * 10
-2Pa.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414181A (en) * | 2015-12-25 | 2016-03-23 | 西部钛业有限责任公司 | Processing method of pure-zirconium wide sheet |
| CN109108072A (en) * | 2018-10-23 | 2019-01-01 | 西部新锆核材料科技有限公司 | A kind of milling method of high-precision zircaloy plate |
| CN110878406A (en) * | 2018-09-06 | 2020-03-13 | 国核宝钛锆业股份公司 | Processing method of strengthened zirconium alloy strip and zirconium alloy strip |
| CN113667914A (en) * | 2021-08-09 | 2021-11-19 | 燕山大学 | Method for preparing high-strength pure zirconium through cold deformation |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101935778A (en) * | 2010-08-17 | 2011-01-05 | 苏州热工研究院有限公司 | Zirconium-based alloy for nuclear reactors and preparation method thereof |
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2011
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101935778A (en) * | 2010-08-17 | 2011-01-05 | 苏州热工研究院有限公司 | Zirconium-based alloy for nuclear reactors and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 李佩志等: "燃料元件格架用Zr-4合金板材研究", 《中国核科技报告》, 31 October 1980 (1980-10-31), pages 1 - 7 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105414181A (en) * | 2015-12-25 | 2016-03-23 | 西部钛业有限责任公司 | Processing method of pure-zirconium wide sheet |
| CN105414181B (en) * | 2015-12-25 | 2017-08-01 | 西部钛业有限责任公司 | A kind of processing method of pure zirconium wide sheet |
| CN110878406A (en) * | 2018-09-06 | 2020-03-13 | 国核宝钛锆业股份公司 | Processing method of strengthened zirconium alloy strip and zirconium alloy strip |
| CN109108072A (en) * | 2018-10-23 | 2019-01-01 | 西部新锆核材料科技有限公司 | A kind of milling method of high-precision zircaloy plate |
| CN113667914A (en) * | 2021-08-09 | 2021-11-19 | 燕山大学 | Method for preparing high-strength pure zirconium through cold deformation |
| CN113667914B (en) * | 2021-08-09 | 2022-04-19 | 燕山大学 | Method for preparing high-strength pure zirconium through cold deformation |
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Application publication date: 20120613 |