CN108754341A - A kind of cylinder jacket based on chrome molybdenum copper alloy - Google Patents

A kind of cylinder jacket based on chrome molybdenum copper alloy Download PDF

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Publication number
CN108754341A
CN108754341A CN201810609835.5A CN201810609835A CN108754341A CN 108754341 A CN108754341 A CN 108754341A CN 201810609835 A CN201810609835 A CN 201810609835A CN 108754341 A CN108754341 A CN 108754341A
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China
Prior art keywords
cylinder jacket
blank
copper alloy
mesh
chrome molybdenum
Prior art date
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Pending
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CN201810609835.5A
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Chinese (zh)
Inventor
储建华
王传超
江平
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Mcc Real Estate Chongqing Co Ltd
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Mcc Real Estate Chongqing Co Ltd
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Priority to CN201810609835.5A priority Critical patent/CN108754341A/en
Publication of CN108754341A publication Critical patent/CN108754341A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/60—Ferrous alloys, e.g. steel alloys containing lead, selenium, tellurium, or antimony, or more than 0.04% by weight of sulfur
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C33/00—Making ferrous alloys
    • C22C33/04—Making ferrous alloys by melting
    • C22C33/06—Making ferrous alloys by melting using master alloys
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/002—Ferrous alloys, e.g. steel alloys containing In, Mg, or other elements not provided for in one single group C22C38/001 - C22C38/60
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/005—Ferrous alloys, e.g. steel alloys containing rare earths, i.e. Sc, Y, Lanthanides
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/20—Ferrous alloys, e.g. steel alloys containing chromium with copper
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/22—Ferrous alloys, e.g. steel alloys containing chromium with molybdenum or tungsten
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
    • F04B39/126—Cylinder liners

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention discloses a kind of cylinder jacket based on chrome molybdenum copper alloy, the composition of each component of the cylinder jacket by mass percentage is：C：2.75-3.65%；Si：1.5-2.3%, silicon carbon ratio control exist：0.6-0.7；Mn：0.3-0.8%；S：0.05-0.11%；P：0.3-0.6%；Cr：0.3-0.7%；Mo：0.2-0.6%；Cu：0.75-1.25%；La：0.25-0.39%；Surplus is Fe；A kind of wear-resisting property that the present invention is prepared by above-mentioned steps is good, and matrix is fine pearlite, and iron phosphide eutectic is tiny and random distribution, and does not present continuous netted；It is preheated by Multi inoculation and to mold, a kind of casting that performance is good can be obtained, and so that the cylinder jacket in the present invention has good comprehensive mechanical property after annealing.

Description

A kind of cylinder jacket based on chrome molybdenum copper alloy
Technical field
The invention belongs to cylinder jacket fields, are related to a kind of chrome molybdenum copper alloy, specifically a kind of gas based on chrome molybdenum copper alloy Cylinder sleeve.
Background technology
In recent years, with the rapid development of social economy, the continuous improvement of human life living standard, automobile industry enters One fast-developing period, automobile industry enter a fast-developing period, and auto parts and components production industry is also therewith It flourishes；Key components and parts of the cylinder jacket as car combustion engine whether quality is to the function admirable of automobile, use The influence that the length in service life has this important；
And it is current, lack a kind of wear-resisting property, and its matrix is fine pearlite, tiny and random point of iron phosphide eutectic Cloth, cannot present continuous netted, and hardness is more than 225HB, the big cylinder jacket of tensile strength；To solve drawbacks described above, now provide A solution.
Invention content
The purpose of the present invention is to provide a kind of cylinder jacket based on chrome molybdenum copper alloy.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of cylinder jacket based on chrome molybdenum copper alloy, the composition of each component of the cylinder jacket by mass percentage are：
C：2.75-3.65%；Si：1.5-2.3%, silicon carbon ratio control exist：0.6-0.7；Mn：0.3-0.8%；S：0.05- 0.11%；P：0.3-0.6%；Cr：0.3-0.7%；Mo：0.2-0.6%；Cu：0.75-1.25%；La：0.25-0.39%；It is remaining Amount is Fe；
Wherein, the cylinder jacket is prepared by following techniques：
Step 1：The raw material of said components is added in electric furnace and carries out melting；
Step 2：Carburant is added and intermediate alloy adjusts chemical composition, dips spectrum samples, detection ingredient qualification Afterwards, 10min is kept the temperature at 1520 DEG C, comes out of the stove to obtain molten metal at 1480-1500 DEG C or so；
Step 3：Mold is preheated, preheating temperature is 305-450 DEG C；
Step 4：Spray treatment is carried out to die surface before cast；
Step 5：By pouring metal melt to mould inside, pouring temperature is 1350-1480 DEG C；
Step 6：Blank is obtained, 800 DEG C or less taking-ups are cooled to；
Step 7：Blank is heat-treated；
Step 8：Blank after heat treatment is carried out to be finish-machined to specified size.
Further, it is annealing to the heat treatment process of blank in the step 7；
Annealing process step is as follows：
S1：Blank is put into chamber type electric resistance furnace, blank is heated using chamber type electric resistance furnace；
S2：Constant temperature keeps 3h when chamber type electric resistance furnace is heated to 500 DEG C, is tentatively made annealing treatment；Heating speed does not surpass Cross 60-80 DEG C/h；
S3：Heating is continued to chamber type electric resistance furnace and is heated to 550 DEG C, constant temperature keeps 3h, heating speed to be no more than 50 DEG C/h；
S4：Being warming up to 600 DEG C of constant temperature keeps 2.5h, heating speed to be no more than 70 DEG C/h；
S5：Plug for outlet is air-cooled after cooling to 200 DEG C with the furnace.
Further, in the step 4 coating of spray treatment by following each components constituting by mass percentage：
Silica flour：30%, talcum powder：30%, sodium bentonite：20%, dodecane sulfonic acid：20%；
The silica flour is by quartz through mechanical crushing to 120-150 mesh；
The talcum powder mesh number is maintained at 130-170 mesh；
The Na-bentonite soil granularity is in 110-130 mesh；
The dodecane sulfonic acid granularity is in 115-135 mesh；
The coating is by above-mentioned material to be mixed with to obtain by batch mixer.
Further, in the step 5：Breeding in casting process carries out at twice, is bred for the first time when tapping a blast furnace, Using silicon titanate innoculant, addition 0.35-0.55% is bred in cast for the second time, and using silicon strontium inovulant, addition is 0.15-0.3%.
Beneficial effects of the present invention：The present invention is good by a kind of wear-resisting property that above-mentioned steps are prepared, matrix group It is woven to fine pearlite, iron phosphide eutectic is tiny and random distribution, and does not present continuous netted, and hardness is more than 225HB, and tension is strong Spend big cylinder jacket；It is preheated by Multi inoculation and to mold, a kind of casting that performance is good, Er Qiejing can be obtained It crosses after annealing so that the cylinder jacket in the present invention has good comprehensive mechanical property；The present invention is simple and effective, is easy to It is practical.
Specific implementation mode
A kind of cylinder jacket based on chrome molybdenum copper alloy, the composition of each component of the cylinder jacket by mass percentage are：
C：2.75-3.65%；Si：1.5-2.3%, silicon carbon ratio control exist：0.6-0.7；Mn：0.3-0.8%；S：0.05- 0.11%；P：0.3-0.6%；Cr：0.3-0.7%；Mo：0.2-0.6%；Cu：0.75-1.25%；La：0.25-0.39%；It is remaining Amount is Fe；
Wherein, the cylinder jacket is prepared by following techniques：
Step 1：The raw material of said components is added in electric furnace and carries out melting；
Step 2：Carburant is added and intermediate alloy adjusts chemical composition, dips spectrum samples, detection ingredient qualification Afterwards, 10min is kept the temperature at 1520 DEG C, comes out of the stove to obtain molten metal at 1480-1500 DEG C or so；
Step 3：Mold is preheated, preheating temperature is 305-450 DEG C；
Step 4：Spray treatment is carried out to die surface before cast；
Step 5：By pouring metal melt to mould inside, pouring temperature is 1350-1480 DEG C；
Step 6：Blank is obtained, 800 DEG C or less taking-ups are cooled to；
Step 7：Blank is heat-treated；
Step 8：Blank after heat treatment is carried out to be finish-machined to specified size.
Further, it is annealing to the heat treatment process of blank in the step 7；
Annealing process step is as follows：
S1：Blank is put into chamber type electric resistance furnace, blank is heated using chamber type electric resistance furnace；
S2：Constant temperature keeps 3h when chamber type electric resistance furnace is heated to 500 DEG C, is tentatively made annealing treatment；Heating speed does not surpass Cross 60-80 DEG C/h；
S3：Heating is continued to chamber type electric resistance furnace and is heated to 550 DEG C, constant temperature keeps 3h, heating speed to be no more than 50 DEG C/h；
S4：Being warming up to 600 DEG C of constant temperature keeps 2.5h, heating speed to be no more than 70 DEG C/h；
S5：Plug for outlet is air-cooled after cooling to 200 DEG C with the furnace.
Further, in the step 4 coating of spray treatment by following each components constituting by mass percentage：
Silica flour：30%, talcum powder：30%, sodium bentonite：20%, dodecane sulfonic acid：20%；
The silica flour is by quartz through mechanical crushing to 120-150 mesh；
The talcum powder mesh number is maintained at 130-170 mesh；
The Na-bentonite soil granularity is in 110-130 mesh；
The dodecane sulfonic acid granularity is in 115-135 mesh；
The coating is by above-mentioned material to be mixed with to obtain by batch mixer.
Further, in the step 5：Breeding in casting process carries out at twice, is bred for the first time when tapping a blast furnace, Using silicon titanate innoculant, addition 0.35-0.55% is bred in cast for the second time, and using silicon strontium inovulant, addition is 0.15-0.3%.
A kind of cylinder jacket based on chrome molybdenum copper alloy, a kind of wear-resisting property being prepared by above-mentioned steps is good, base Body tissue is fine pearlite, and iron phosphide eutectic is tiny and random distribution, and does not present continuous netted, and hardness is more than 225HB, resists The big cylinder jacket of tensile strength；It is preheated by Multi inoculation and to mold, a kind of casting that performance is good can be obtained, and And so that the cylinder jacket in the present invention has good comprehensive mechanical property after annealing；The present invention is simple and effective, It is easy to practical.
Above content is only to structure of the invention example and explanation, affiliated those skilled in the art couple Described specific embodiment does various modifications or additions or substitutes by a similar method, without departing from invention Structure or beyond the scope defined by this claim, is within the scope of protection of the invention.

Claims (4)

1. a kind of cylinder jacket based on chrome molybdenum copper alloy, which is characterized in that each component of the cylinder jacket is by mass percentage It is configured to：
C：2.75-3.65%；Si：1.5-2.3%, silicon carbon ratio control exist：0.6-0.7；Mn：0.3-0.8%；S：0.05- 0.11%；P：0.3-0.6%；Cr：0.3-0.7%；Mo：0.2-0.6%；Cu：0.75-1.25%；La：0.25-0.39%；It is remaining Amount is Fe；
Wherein, the cylinder jacket is prepared by following techniques：
Step 1：The raw material of said components is added in electric furnace and carries out melting；
Step 2：Carburant is added and intermediate alloy adjusts chemical composition, dips spectrum samples, after detecting ingredient qualification, 10min is kept the temperature at 1520 DEG C, comes out of the stove to obtain molten metal at 1480-1500 DEG C or so；
Step 3：Mold is preheated, preheating temperature is 305-450 DEG C；
Step 4：Spray treatment is carried out to die surface before cast；
Step 5：By pouring metal melt to mould inside, pouring temperature is 1350-1480 DEG C；
Step 6：Blank is obtained, 800 DEG C or less taking-ups are cooled to；
Step 7：Blank is heat-treated；
Step 8：Blank after heat treatment is carried out to be finish-machined to specified size.
2. a kind of cylinder jacket based on chrome molybdenum copper alloy according to claim 1, which is characterized in that right in the step 7 The heat treatment process of blank is annealing；
Annealing process step is as follows：
S1：Blank is put into chamber type electric resistance furnace, blank is heated using chamber type electric resistance furnace；
S2：Constant temperature keeps 3h when chamber type electric resistance furnace is heated to 500 DEG C, is tentatively made annealing treatment；Heating speed is no more than 60- 80℃/h；
S3：Heating is continued to chamber type electric resistance furnace and is heated to 550 DEG C, constant temperature keeps 3h, heating speed to be no more than 50 DEG C/h；
S4：Being warming up to 600 DEG C of constant temperature keeps 2.5h, heating speed to be no more than 70 DEG C/h；
S5：Plug for outlet is air-cooled after cooling to 200 DEG C with the furnace.
3. a kind of cylinder jacket based on chrome molybdenum copper alloy according to claim 1, which is characterized in that sprayed in the step 4 Apply the coating of processing by following each components constituting by mass percentage：
Silica flour：30%, talcum powder：30%, sodium bentonite：20%, dodecane sulfonic acid：20%；
The silica flour is by quartz through mechanical crushing to 120-150 mesh；
The talcum powder mesh number is maintained at 130-170 mesh；
The Na-bentonite soil granularity is in 110-130 mesh；
The dodecane sulfonic acid granularity is in 115-135 mesh；
The coating is by above-mentioned material to be mixed with to obtain by batch mixer.
4. a kind of cylinder jacket based on chrome molybdenum copper alloy according to claim 1, which is characterized in that in the step 5： Breeding in casting process carries out at twice, is bred for the first time when tapping a blast furnace, using silicon titanate innoculant, addition 0.35- 0.55%, it is bred for the second time in cast, using silicon strontium inovulant, addition 0.15-0.3%.
CN201810609835.5A 2018-06-13 2018-06-13 A kind of cylinder jacket based on chrome molybdenum copper alloy Pending CN108754341A (en)

Priority Applications (1)

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CN201810609835.5A CN108754341A (en) 2018-06-13 2018-06-13 A kind of cylinder jacket based on chrome molybdenum copper alloy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810609835.5A CN108754341A (en) 2018-06-13 2018-06-13 A kind of cylinder jacket based on chrome molybdenum copper alloy

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CN108754341A true CN108754341A (en) 2018-11-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110026529A (en) * 2019-04-26 2019-07-19 江苏爱吉斯海珠机械有限公司 A kind of coating and its preparation method and application of cylinder jacket centrifugal casting

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101445865A (en) * 2008-12-26 2009-06-03 成都银河动力股份有限公司 Boiling water quenching processing technology of copper-chromium-boron cylinder sleeve
CN106521306A (en) * 2016-11-03 2017-03-22 广西大学 Heat treatment method for Cr-Mo wear-resistant cast iron
CN106521304A (en) * 2016-11-03 2017-03-22 广西大学 Heat treatment method for chromium molybdenum copper wear resisting cast iron
CN107022713A (en) * 2017-04-26 2017-08-08 含山县朝霞铸造有限公司 A kind of anticorrosion antiwear chrome copper cast iron and its preparation
CN107654307A (en) * 2017-07-25 2018-02-02 中原内配集团安徽有限责任公司 A kind of cylinder jacket and its production method
CN107937799A (en) * 2017-12-08 2018-04-20 中原内配集团股份有限公司 A kind of burr cylinder jacket of centrifugal casting and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101445865A (en) * 2008-12-26 2009-06-03 成都银河动力股份有限公司 Boiling water quenching processing technology of copper-chromium-boron cylinder sleeve
CN106521306A (en) * 2016-11-03 2017-03-22 广西大学 Heat treatment method for Cr-Mo wear-resistant cast iron
CN106521304A (en) * 2016-11-03 2017-03-22 广西大学 Heat treatment method for chromium molybdenum copper wear resisting cast iron
CN107022713A (en) * 2017-04-26 2017-08-08 含山县朝霞铸造有限公司 A kind of anticorrosion antiwear chrome copper cast iron and its preparation
CN107654307A (en) * 2017-07-25 2018-02-02 中原内配集团安徽有限责任公司 A kind of cylinder jacket and its production method
CN107937799A (en) * 2017-12-08 2018-04-20 中原内配集团股份有限公司 A kind of burr cylinder jacket of centrifugal casting and preparation method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王有超 等: "铬钼铜合金灰铸铁气缸套的铸造工艺及力学性能研究", 《热加工工艺》 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110026529A (en) * 2019-04-26 2019-07-19 江苏爱吉斯海珠机械有限公司 A kind of coating and its preparation method and application of cylinder jacket centrifugal casting
CN110026529B (en) * 2019-04-26 2021-03-09 江苏爱吉斯海珠机械有限公司 Coating for centrifugal casting of cylinder sleeve and preparation method and application thereof

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