CN117070847A - 一种高强度梯度结构铁基金属材料及其制备工艺 - Google Patents
一种高强度梯度结构铁基金属材料及其制备工艺 Download PDFInfo
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- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims abstract description 144
- 229910052742 iron Inorganic materials 0.000 title claims abstract description 72
- 239000007769 metal material Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 75
- 230000002787 reinforcement Effects 0.000 claims abstract description 55
- 239000011159 matrix material Substances 0.000 claims abstract description 54
- 239000000956 alloy Substances 0.000 claims abstract description 18
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000000203 mixture Substances 0.000 claims abstract description 14
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000006243 chemical reaction Methods 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 7
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 6
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 6
- PALQHNLJJQMCIQ-UHFFFAOYSA-N boron;manganese Chemical compound [Mn]#B PALQHNLJJQMCIQ-UHFFFAOYSA-N 0.000 claims description 6
- 229910052804 chromium Inorganic materials 0.000 claims description 6
- 239000011651 chromium Substances 0.000 claims description 6
- NUEWEVRJMWXXFB-UHFFFAOYSA-N chromium(iii) boride Chemical compound [Cr]=[B] NUEWEVRJMWXXFB-UHFFFAOYSA-N 0.000 claims description 6
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- 229910052719 titanium Inorganic materials 0.000 claims description 6
- 239000010936 titanium Substances 0.000 claims description 6
- 239000010953 base metal Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 3
- 230000000171 quenching effect Effects 0.000 claims description 3
- 238000007670 refining Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000005496 tempering Methods 0.000 claims description 3
- 230000007547 defect Effects 0.000 abstract description 4
- 238000002844 melting Methods 0.000 abstract description 2
- 230000008018 melting Effects 0.000 abstract description 2
- 238000005275 alloying Methods 0.000 description 8
- 239000002131 composite material Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 229910052755 nonmetal Inorganic materials 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B3/00—Rolling materials of special alloys so far as the composition of the alloy requires or permits special rolling methods or sequences ; Rolling of aluminium, copper, zinc or other non-ferrous metals
- B21B3/02—Rolling special iron alloys, e.g. stainless steel
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/02—Casting in, on, or around objects which form part of the product for making reinforced articles
-
- 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
- C22C38/04—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
- C22C38/22—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
- C22C38/28—Ferrous alloys, e.g. steel alloys containing chromium with titanium or zirconium
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Abstract
本发明涉及一种高强度梯度结构铁基金属材料及其制备工艺,包括基体与增强体,基体和增强体为同种金属基材料,增强体的合金元素组成及微观组织结构不同于基体,增强体的合金元素组成及微观结构在基体内从一方位向另一方位变化呈梯度结构,基体通过熔融态通过挤压充满增强体的排列结构内部。本发明基体材料和增强体材料同为铁基材料,熔点接近,冶金反应充分,同时基体材料与增强体材料表现弱界面和良好的相容性,增强体材料的线材加工过程,基体材料的挤压过程和复合后的材料轧制过程可以细化晶粒,消除微观组织缺陷,提高组织致密性,力学性能得到改善。
Description
技术领域
本发明涉及金属材料结构技术领域,具体为一种高强度梯度结构铁基金属材料及其制备工艺。
背景技术
高强度铁基金属材料在各个领域具有广泛的应用,传统的高强度铁基金属材料主要通过合金化,与其它材料复合,以及通过热处理改变金属内部的晶粒形态提高材料的强度。
合金化主要是两种或两种以上的金属(或金属跟非金属)熔合而成的具有金属特性的物质,复合材料是由两种或多种物理和化学性质不同的物质经人工制成的一种多相固体材料;复合材料有难以克服的界面的结合问题,由于是不同种材料,界面反应复杂,并且不同材料大多数有不同的热膨胀系数,界面处是强度最弱的地方,影响材料的整体力学性能;热处理可以改善材料的力学性能,属于成熟工艺,但热处理过程中可能产生氧化、过热和裂纹等缺陷。
发明内容
本发明为了解决现有技术的问题,提供了一种高强度梯度结构铁基金属材料及其制备工艺
为了解决上述技术问题,本发明是通过以下技术方案实现的:一种高强度梯度结构铁基金属材料及其制备工艺,包括基体与增强体,基体和增强体为同种金属基材料,增强体的合金元素组成及微观组织结构不同于基体,增强体的合金元素组成及微观结构在基体内从一方位向另一方位变化呈梯度结构,基体通过熔融态通过挤压充满增强体的排列结构内部。
优选的,基体设置为铁基体材料,增强体设置为铁基增强体材料。
优选的,铁基体材料的调节合金元素组成设置为锰、钛、铬与钼,铁基增强体材料的调节合金元素组成设置为锰硼与铬硼。
一种高强度梯度结构铁基金属材料及其制备工艺,以下为制备工艺:
步骤一,铁基体材料通过铁基金属材料强化工艺,加入铁基体材料的调节合金元素(锰、钛、铬、钼),经由热处理细化晶粒等工艺制备而成,制备的铁基体材料屈服强度大于1000Mpa,基体材料在与增强体复合时的形态为熔融态;
步骤二,铁基增强体材料通过铁基金属材料强化工艺,加入铁基体材料的调节合金元素(锰硼、铬硼),经由热处理(淬火和高温回火)制备而成,制备的铁基增强体材料抗拉强度大于1500Mpa,将增强体材料加工成线材,再将线材以预定的排列结构分布,线材的截面形状和尺寸取决于轧制板材的最终厚度;
步骤三,将铁基体材料以熔融态,通过挤压充满至铁基增强体的排列结构内部,处于熔融态的铁基体材料和处于固态的铁基增强体材料发生冶金反应;
步骤四,对步骤三制备成的材料进行轧制,使其轧制成预定厚度,即完成制备工艺。
本发明的有益效果为:
1、本发明基体材料和增强体材料同为铁基材料,熔点接近,冶金反应充分,同时基体材料与增强体材料表现弱界面和良好的相容性,增强体材料的线材加工过程,基体材料的挤压过程和复合后的材料轧制过程可以细化晶粒,消除微观组织缺陷,提高组织致密性,力学性能得到改善;
2、高屈服强度的基体(屈服强度>1000Mpa)和高抗拉强度增强体(抗拉强度>1500Mpa)在梯度方向同时具有高屈服强度和高抗拉强度,并且增强体抗拉强度高于基体屈服强度,复合后的材料力学性能体现为高屈服强度和低屈强比;在拉伸载荷的作用下,基体和增强体首先发生弹性变形,应力达到基体的屈服极限后,基体开始发生塑性变形,应力达到增强体抗拉强度前,增强体继续发生弹性变形以及塑性变形,表现为低屈强比,材料断裂表现为滞后;因此梯度结构使材料在梯度方向同时具有高屈服、高强度和良好的韧性。
附图说明
图1是本发明的一维方向整体结构示意图。
图1中:1、基体;2、增强体。
具体实施方式
实施例:如图1所示的一种高强度梯度结构铁基金属材料及其制备工艺,包括基体与增强体,其特征在于:基体和增强体为同种金属基材料,增强体的合金元素组成及微观组织结构不同于基体,增强体的合金元素组成及微观组织结构在基体内从一方位向另一方位变化呈梯度结构,基体通过熔融态通过挤压充满增强体的排列结构内部,基体设置为铁基体材料,增强体设置为铁基增强体材料,铁基体材料的调节合金元素组成设置为锰、钛、铬与钼,铁基增强体材料的调节合金元素组成设置为锰硼与铬硼,基体材料与增强体材料表现弱界面和良好的相容性,增强体材料的线材加工过程,基体材料的挤压过程和复合后的材料轧制过程可以细化晶粒,消除微观组织缺陷,提高组织致密性,力学性能得到改善。
一种高强度梯度结构铁基金属材料及其制备工艺,以下为制备工艺:步骤一,铁基体材料通过铁基金属材料强化工艺,加入铁基体材料的调节合金元素(锰、钛、铬、钼),经由热处理细化晶粒等工艺制备而成,制备的铁基体材料屈服强度大于1000Mpa,基体材料在与增强体复合时的形态为熔融态;步骤二,铁基增强体材料通过铁基金属材料强化工艺,加入铁基体材料的调节合金元素(锰硼、铬硼),经由热处理(淬火和高温回火)制备而成,制备的铁基增强体材料抗拉强度大于1500Mpa,将增强体材料加工成线材,截面呈圆形,直径1.5mm,再将线材以预定的排列结构分布,线材的截面形状和尺寸取决于轧制板材的最终厚度;步骤三,将铁基体材料以熔融态,通过挤压充满至铁基增强体的排列结构内部,处于熔融态的铁基体材料和处于固态的铁基增强体材料发生冶金反应;步骤四,对步骤三制备成的材料进行轧制,使其轧制成3mm厚度,即完成制备工艺。
通过结合梯度功能材料原理和复合材料原理,以铁基材料作为基体,增强体同样为铁基材料,并且加入不同合金元素和调节合金元素组份使增强体相比基体具有更高抗拉强度,然后将基体和增强体复合,增强体的合金元素和组分不同于基体的组分构成,即合金元素和组分从某一方位向另一方位变化,表现为梯度结构;由于基体和增强体同为铁基材料,基体和增强体界面的原子结构、化学成分和原子键同于界面两侧的组元体,界面的性质与界面两侧的差别基本可以忽略,表现为基体和增强体的相容性良好,界面结合强度较高;另外,同为铁基材料的基体和增强体可以忽略热膨胀系数差异,避免了传统复合材料热膨胀不一致的问题。
Claims (4)
1.一种高强度梯度结构铁基金属材料及其制备工艺,包括基体与增强体,其特征在于:基体和增强体为同种金属基材料,增强体的合金元素组成及微观组织结构不同于基体,增强体的合金元素组成及微观组织结构在基体内从一方位向另一方位变化呈梯度结构,基体通过熔融态通过挤压充满增强体的排列结构内部。
2.根据权利要求1所述的一种高强度梯度结构铁基金属材料及其制备工艺,其特征在于:基体设置为铁基体材料,增强体设置为铁基增强体材料。
3.根据权利要求2所述的一种高强度梯度结构铁基金属材料及其制备工艺,其特征在于:铁基体材料的调节合金元素组成设置为锰、钛、铬与钼,铁基增强体材料的调节合金元素组成设置为锰硼与铬硼。
4.根据权利要求1-3任意一项所述的一种高强度梯度结构铁基金属材料及其制备工艺,以下为制备工艺:
步骤一,铁基体材料通过铁基金属材料强化工艺,加入铁基体材料的调节合金元素(锰、钛、铬、钼),经由热处理细化晶粒等工艺制备而成,制备的铁基体材料屈服强度大于1000Mpa,基体材料在与增强体复合时的形态为熔融态;
步骤二,铁基增强体材料通过铁基金属材料强化工艺,加入铁基体材料的调节合金元素(锰硼、铬硼),经由热处理(淬火和高温回火)制备而成,制备的铁基增强体材料抗拉强度大于1500Mpa,将铁基增强体材料加工成线材,再将线材以预定的排列结构分布,线材的截面形状和尺寸取决于轧制板材的最终厚度;
步骤三,将铁基体材料以熔融态,通过挤压充满至铁基增强体的排列结构内部,处于熔融态的铁基体材料和处于固态的铁基增强体材料发生冶金反应;
步骤四,对步骤三制备成的材料进行轧制,使其轧制成预定厚度,即完成制备工艺。
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