| dbo:abstract |
Quench polish quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer or Melonite. Three steps are involved: nitrocarburize ("quench"), polish, and post-oxidize ("quench"). This process is often used when two or more of the following properties are required in a workpiece: * wear resistance * corrosion resistance * lubricity * fatigue strength Common applications of the process are for piston rods of shock absorbers, cylinders and rods for hydraulic systems, pumps, axles, spindles, firearm slides and barrels and valves. (en) |
| dbo:thumbnail |
wiki-commons:Special:FilePath/QPQ_field_immersion_comparison_chart.png?width=300 |
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dbc:Metal_heat_treatments dbr:Hydrogen_peroxide dbr:Litre dbr:Valve dbr:Spindle_(tool) dbr:Axle dbr:Case_hardening dbr:Corrosion_resistance dbr:Iron_oxide dbr:Lapping dbr:Centerless_grinding dbr:Gram dbr:Lubricity dbr:Pump dbc:Corrosion_prevention dbr:Sodium_chloride dbr:Micrometre dbr:Hydraulic dbr:Salt_spray_test dbr:Shock_absorber dbr:Vibratory_finishing dbr:Fatigue_strength dbr:Nitrocarburizing dbr:Wear_resistance dbr:File:QPQ_ASTM_B117_comparison_chart.png dbr:File:QPQ_field_immersion_comparison_chart.png |
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dbt:Citation_needed dbt:Reflist dbt:Iron_and_steel_production |
| dct:subject |
dbc:Metal_heat_treatments dbc:Corrosion_prevention |
| gold:hypernym |
dbr:Type |
| rdf:type |
yago:WikicatMetalHeatTreatments yago:Abstraction100002137 yago:Act100030358 yago:Activity100407535 yago:Care100654885 yago:Event100029378 yago:PsychologicalFeature100023100 yago:Work100575741 yago:YagoPermanentlyLocatedEntity yago:Treatment100658082 |
| rdfs:comment |
Quench polish quench (QPQ) is a specialized type of nitrocarburizing case hardening that increases corrosion resistance. It is sometimes known by the brand name of Tufftride, Tenifer or Melonite. Three steps are involved: nitrocarburize ("quench"), polish, and post-oxidize ("quench"). This process is often used when two or more of the following properties are required in a workpiece: * wear resistance * corrosion resistance * lubricity * fatigue strength (en) |
| rdfs:label |
Quench polish quench (en) |
| owl:sameAs |
freebase:Quench polish quench yago-res:Quench polish quench wikidata:Quench polish quench https://global.dbpedia.org/id/4u8K7 |
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wikipedia-en:Quench_polish_quench?oldid=1053702811&ns=0 |
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wiki-commons:Special:FilePath/QPQ_ASTM_B117_comparison_chart.png wiki-commons:Special:FilePath/QPQ_field_immersion_comparison_chart.png |
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wikipedia-en:Quench_polish_quench |
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dbr:QPQ |
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dbr:Quench_Polish_Quench dbr:Quench_Process_Quench |
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wikipedia-en:Quench_polish_quench |
