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High-temperature-resistant fastener and manufacturing method thereof
The invention discloses a high-temperature-resistant fastener and a manufacturing method thereof.The high-temperature-resistant fastener comprises a fastener body and a high-temperature-resistant coating, and the fastener body is composed of, by weight, 60-65 parts of Ni and 10.2-13.5 parts of Cr; 1.9 to 2.4 parts of Ti; 2.2 to 3.0 parts of Al; 5.2 to 8.1 parts of W; 2.5 to 3.6 parts of Mo; 5.2 to 5.8 parts of Co; 0.6 to 0.9 part of Nb; 1.7 to 2.2 parts of Nd; 0.01 to 0.05 part of La; 5-8 parts of Re; 0.3 to 0.5 part of C and other inevitable impurities; the high-temperature-resistant coating is prepared from the following components in parts by weight: 30 to 50 parts of modified silicon nitride, 10 to 20 parts of silicon dioxide, 10 to 20 parts of zirconium oxide, 5 to 10 parts of cerium oxide, 5 to 10 parts of aluminum oxide, 1 to 5 parts of sodium silicate and 5 to 10 parts of titanium dioxide. According to the high-temperature-resistant fastener provided by the invention, the surface of the fastener is coated with the antioxidant and high-temperature-resistant coating, so that the fastener can keep high strength, creep resistance and fatigue resistance in a high-temperature environment.
本发明公开了一种耐高温紧固件及其制造方法，包括紧固件本体和耐高温涂层，所述紧固件本体，由以下重量份的成分组成：Ni 60‑65份、Cr 10.2‑13.5份；Ti 1.9‑2.4份；Al 2.2‑3.0份；W 5.2‑8.1份；Mo 2.5‑3.6份；Co 5.2‑5.8份；Nb 0.6‑0.9份；Nd 1.7‑2.2份；La 0.01‑0.05份；Re 5‑8份；C 0.3‑0.5份和其它不可避免的杂质；所述耐高温涂层，由以下重量份的成分组成：改性氮化硅30‑50份、二氧化硅10‑20份、氧化锆10‑20份、氧化铈5‑10份、氧化铝5‑10份、硅酸钠1‑5份、二氧化钛5‑10份。本发明提供的耐高温紧固件，通过在紧固件表面涂覆抗氧化、耐高温涂层，能够紧固件在高温环境中保持高强度以及耐蠕变、疲劳性能。
High-temperature-resistant fastener and manufacturing method thereof
The invention discloses a high-temperature-resistant fastener and a manufacturing method thereof.The high-temperature-resistant fastener comprises a fastener body and a high-temperature-resistant coating, and the fastener body is composed of, by weight, 60-65 parts of Ni and 10.2-13.5 parts of Cr; 1.9 to 2.4 parts of Ti; 2.2 to 3.0 parts of Al; 5.2 to 8.1 parts of W; 2.5 to 3.6 parts of Mo; 5.2 to 5.8 parts of Co; 0.6 to 0.9 part of Nb; 1.7 to 2.2 parts of Nd; 0.01 to 0.05 part of La; 5-8 parts of Re; 0.3 to 0.5 part of C and other inevitable impurities; the high-temperature-resistant coating is prepared from the following components in parts by weight: 30 to 50 parts of modified silicon nitride, 10 to 20 parts of silicon dioxide, 10 to 20 parts of zirconium oxide, 5 to 10 parts of cerium oxide, 5 to 10 parts of aluminum oxide, 1 to 5 parts of sodium silicate and 5 to 10 parts of titanium dioxide. According to the high-temperature-resistant fastener provided by the invention, the surface of the fastener is coated with the antioxidant and high-temperature-resistant coating, so that the fastener can keep high strength, creep resistance and fatigue resistance in a high-temperature environment.
本发明公开了一种耐高温紧固件及其制造方法，包括紧固件本体和耐高温涂层，所述紧固件本体，由以下重量份的成分组成：Ni 60‑65份、Cr 10.2‑13.5份；Ti 1.9‑2.4份；Al 2.2‑3.0份；W 5.2‑8.1份；Mo 2.5‑3.6份；Co 5.2‑5.8份；Nb 0.6‑0.9份；Nd 1.7‑2.2份；La 0.01‑0.05份；Re 5‑8份；C 0.3‑0.5份和其它不可避免的杂质；所述耐高温涂层，由以下重量份的成分组成：改性氮化硅30‑50份、二氧化硅10‑20份、氧化锆10‑20份、氧化铈5‑10份、氧化铝5‑10份、硅酸钠1‑5份、二氧化钛5‑10份。本发明提供的耐高温紧固件，通过在紧固件表面涂覆抗氧化、耐高温涂层，能够紧固件在高温环境中保持高强度以及耐蠕变、疲劳性能。
High-temperature-resistant fastener and manufacturing method thereof
一种耐高温紧固件及其制造方法
WEI CONGJUN (author) / WEI ZHONG (author) / CHEN CHUNYANG (author) / WEI LINTONG (author) / TANG FULIN (author)
2022-04-15
Patent
Electronic Resource
Chinese
IPC:
C22C
Legierungen
,
ALLOYS
/
C04B
Kalk
,
LIME
/
C22F
CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS OR NON-FERROUS ALLOYS
,
Verändern der physikalischen Struktur von Nichteisenmetallen oder Nichteisenlegierungen
/
C23D
ENAMELLING OF, OR APPLYING A VITREOUS LAYER TO, METALS
,
Emaillieren von Metallen oder Aufbringen eines glasartigen Überzuges auf Metalle
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