Automotive ApplicAtions coatingskorihandbook.tenneco.com/en/pdf/section_67_en.pdf · GOE 232 GDC 50 Electrochemical deposition Chromium and diamond GOE 233 GDC 52 Electrochemical

Issue date: 04.2008

Automotive ApplicAtions

coatings

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Designation Reference coating process coating materials

GOE 200 O 2 (MoVL) Flame spraying Molybdenum

GOE 201 O 4 (MP 43) Plasma spraying Molybdenum based powder

GOE 202 O 8 (MKP 81 A) Plasma spraying Powder composed of molybdenum and hard material

GOE 203 O 14 (MKP 110) Plasma spraying Powder composed of molybdenum and hard material

GOE 204 O 12 (MKP 107 E) Plasma spraying Powder composed of molybdenum and hard material

GOE 205 O 6 (MP 96 A) Plasma spraying Molybdenum based powder

GOE 210 MKJet 502 high velocity oxy-fuel spraying (HVOF)

Metal matrix and carbides based on chromium and tungsten

GOE 230 O 30 (CKS 36) Electrochemical deposition Chromium and aluminium oxide

GOE 231 CKS 38 Electrochemical deposition Chromium and aluminium oxide

GOE 232 GDC 50 Electrochemical deposition Chromium and diamond

GOE 233 GDC 52 Electrochemical deposition Chromium and diamond

GOE 234 CKS 37 Electrochemical deposition Chrom und Aluminiumoxid

GOE 240 PVD-Coating Chromiumnitrid



GOE 245 PVD-Coating DLC-Coating

GOE 250 O 25, RES-M/525 Nitriding and nitrocarburizing of alloyed steels Nitride segregations

Issue date: 01.09.2008

Material SpecificationCoatingsGOE 200

Reference: O 2 (MoVL)

Material: molybdenum

Process: flamespraying

Technological properties: highsuffresistance Porosity: max 20 % Onlyporeslargerthan5µmareconsidered.

Pore size: 98%ofallporesmustbenolargerthan45µm. Sporadicporesupto90µmareallowable. Theporesizeinradialdirectionmustnotexceedhalfthe thicknessofthecoating.

Hardness of coating: average480–1380HV0.1

Strength: min30N/mm² obtainedbydividingmaxloadfromtensiletestby thespecimencrosssection(DINEN582)

unetched 100 : 1

unetched 200 : 1

etchedaccordingtoMurakami 500:1

Note: Details of test/measuring procedures and specimen preparation are contained inMaterial Specification GOE520.

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Material: molybdenum based powder

Process: plasma spraying

Technological properties: high scuff resistance and a good relationship between coating wear and cylinder wear

Chemical composition of the coating (% by weight): Mo: 68 - 82 Ni: 12 - 22 Cr: 2.5 - 6.0 Si: 0.7 - 1.4 B: 0.5 - 1.0

Fe, Co, C, O and N together max 5 %.

Porosity: max 10 % Onlyporeslargerthan5μmareconsidered.

Pore size: 98%ofallporesmustbenolargerthan35μm. Sporadicporesupto70μmareallowable. The pore size in radial direction must not exceed half the thickness of the coating.

Particle hardness*: dark phase: average 400 - 800 HV 0.05 white phase: average 700 - 1200 HV 0.05

Hardness of coating**: average 350 - 500 HV 1 370 - 520 HV 0.5

Strength: min 25 N/mm2

obtained by dividing max load from tensile test by the specimen cross section (DIN EN 582)

* measured on the cross section etched according to Murakami**forcoatingthicknesses≤100μmdeterminedinHV0.5Note:Details of test/measuring procedures and specimen preparation are contained inMaterial Specification GOE 520.

AReference: O 4 (MP43)


Issue date: 01.00

unetched 100 : 1

unetched 200 : 1

etched according to Murakami 500 : 1

Issue date: 03.2008

Material SpecifikationCoatingsGOE 202

Material: Powder composed of molybdenum and hard material.Process: Plasma sprayingTechnological properties: High wear resistance, low cylinder wear and enhanced thermal loading capacity .Chemical composition of the coating [% by weight]: Mo: 67 - 77 Ni: 16 - 24 Cr: 3.7 - 7.0 C: 0.5 - 2.0 Fe, Co, O, N: together max 5%Porosity: max 10 % Only pores larger than 5µm are considered.Pore size: 98% of all pores must not be larger than max 35µm. Sporadic pores up to 70 µm are permitted. The pore size in radial direction must not exceed half the thickness of the coating.Particle hardness: * dark Phase average 400 - 800 HV0.05 yellow Phase average 200 - 500 HV0.05 white Phase average 900 - 1400 HV0.05Coating hardnesss: ** average 260 - 480 HV1 average 260 - 500 HV0.5 average 370 - 800 HV0.1Strength: min 35 N/mm² obtained by deviding max load from tensile test by the specimen cross section (DIN EN 582)

unetched 100 : 1

unetched 500 : 1

Etched according to Murakami 500 : 1

* Measured on the cross section etched according to Murakami ** CoatinghardnessHV1usedforcoatingthickness>200µm(specifiedsizeindrawing),forcoatingthickness < 200µm HV0.1Note: details of tests/measuring procedures and specimen preparation are defined inMaterial Specification GOE 520.

AReference: O 8 (MKP81A)

Material: powder composed of molybdenum and hard material


Technological properties: high wear resistance, low cylinder wear and enhanced thermal loading capacity

Chemical composition of the coating (% by weight): Mo: 67 - 77 Ni: 15 - 23 Cr: 2.0 - 6.0 C: 0.5 - 2.0

Fe, Co, Si, B, O and N together max 5%.



Particle hardness*: dark phase: average 400 - 800 HV 0.05 brownish phase: average 900 - 1400 HV 0.05 white phase: average 700 - 1200 HV 0.05


Strength: min 35 N/mm2 obtained by dividing max load from tensile test by the specimen cross section (DIN EN 582)

* measured on the cross section etched according to Murakami** forcoatingthicknesses≤100μmdeterminedinHV0.5Note:Details of test/measuring procedures and specimen preparation are contained inMaterial Specification GOE 520.

AReference: O 14 (MKP110)


Issue date: 01.00

unetched 100 : 1

unetched 200 : 1


Material: powder composed of molybdenum and hard material


Technological properties: very high wear resistance

Chemical composition of the coating (% by weight): Mo: 35 - 45 Ni: 34 - 42 Cr: 17 - 23 C: 0.5 - 2.0

Fe, Co, Mn, O and N together max 5%.



Particle hardness*: dark phase: average 400 - 800 HV 0.05 yellow phase: average 200 - 500 HV 0.05 white phase: average 900 - 1500 HV 0.05




* measured on the cross section etched according to Murakami** forcoatingthicknesses≤100μmdeterminedinHV0.5Note:Details of test/measuring procedures and specimen preparation are contained inMaterial Specification GOE 520.

AReference: O 12 (MKP107E)


Issue date: 01.00

unetched 100 : 1

unetched 200 : 1


Material: molybdenum based powder


Technological properties: very high wear resistance and high break-out resistance for fast running engines

Chemical composition of the coating (% by weight): Mo: 53 - 67 Ni: 20 - 28 Cr: 13 - 19

Fe, Co, O and N together max 5 %


Pore size: 98%ofallporesmustbenolargerthan35μm. Sporadicporesupto70μmareallowable. The pore size in radial direction must not exceed half thethicknessofthecoating.

Particle hardness*: dark phase: average 400 - 800 HV 0:05 yellowphase: average 200- 500 HV 0.05

Hardness of coating**: average 300 - 450 HV 1 320- 470 HV 0.5



* measured on the cross section etched according to Murakami** forcoatingthicknesses≤100μmdeterminedinHV0.5Note:Details of test/measuring procedures and specimen preparation are contained inMaterial Specification GOE520.

AReference: O 6 (MP 96 A)


Issuedate:05.02

unetched 100 : 1

unetched 200 : 1


Material Specification CoatingsGOE 210

Coating Material: Powder material composed of a metal matrix and carbides based on chromium and tungsten.

Coating Process: High Velocity Oxy-Fuel Spraying (HVOF)

Technological Properties: Very high wear resistance Low cylinder wear High thermal loading capacity

Coating Structure: 2-phase structure of CrC- and WC-phase

Chemical Composition (w.-%): W: 42.8 – 52.8 Cr: 32.2 – 39.4 C: 5.5 – 7.5 Ni: 11.2 – 13.7 Mo: 1.0 – 2.0 rest: max. 5 %

Coating Porosity: max. 7 % Only pores larger than 5 µm are considered.

Pore Size: 98 % of all pore diameters must be no larger than 15 µm. Sporadic pore diameters up to 20 µm are allowable.

Coating Hardness*: average 700 - 1150 HV1 average 650 - 1350 HV0.5 average 650 - 1550 HV0.1

Bonding Strength**: min. 30 N/mm²

unetched 200 : 1

etched (Murakami) 200 : 1

etched (Murakami) 500 : 1

Note: * For coating thickness ≤ 100µm determination of HV0.5, ≤ 50 µm determination of HV0.1** Adhesion test according to DIN EN 582Information about test and evaluation procedure as well sample preparation are defined in GOE 520.

AIssue date: 05.2006Reference: MKJet 502

Issue date: 10.2002


Reference: O 30 (CKS 36)

Material: chromium and aluminium oxide

Process: electrochemical deposition

Technological properties:: high wear resistance lower cylinder wear high thermal loading capacity Coating structure: chromium coating with aluminium oxide (Al2O3)

Microcrack density: 40 – 100 cracks/mm

Percentage of Al2O3 - particles in the coating: 2 – 6 % by volume

Size of Al2O3 - particles: 0.5 – 5 µm

Hardness of coating: 900 – 1200 HV 0.1

Running surface 200 : 1


Note: Guidelines for assessment of the coating are contained in Material Specification GOE 530.

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Issue date: 01.00


Reference: CKS 38

Material: chromium and aluminium oxide


Technological propertiesn: high wear resistance low cylinder wear Coating structure: graduated coating: 1. chromium coating without implanted hard particles 2. chromium coating with aluminium oxide chromium coating with aluminium oxide ≥5/8ofthetotalcoating

Microcrack density: 80-120cracks/mm (chromiumcoatingwithoutimplanted hard particles) 40-100cracks/mm (chromiumcoatingwithaluminiumoxide)

Percentage of Al2O3 particles in the coatingwith implanted hard particles: 2 - 6% by volume

Size of Al2O3 particles: 0.5-5µm

Hardness of Al2O3 particles: 2200-3000HV0.025*

Hardness of coating: 900 - 1200 HV 0.1

Transverse section 100 : 1

Runningsurface** 200:1

* hardnessvaluesfromliteraturesources** areaofcoatingwithimplantedhardparticlesNote:GuidelinesforassessmentofthecoatingarecontainedinMaterialSpecificationGOE530.

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Runningsurface** 1000:1

Issue date: 11.01


Material: chromium and diamond


Technological properties: extremely high wear resistance low cylinder wear high thermal loading capacity Coating structure: chromium coating with diamond (C)

Microcrack density: 40 - 100 cracks/mm

Percentage of diamond particles in the coating: 0.5 - 2.0 % by volume

Size of diamond particles: 0.1-2.0μm

Hardness of coating: 900 - 1200 HV 0.1



Note: GuidelinesforassessmentofthecoatingarecontainedinMaterialSpecificationGOE530.

AReference: GDC 50

Issue date: 11.01


Material: chromium and diamond


Technological properties: high wear resistance low cylinder wear Coating structure: graduated coating: 1. chromium coating without implanted hard particles 2. chromium coating with implanted diamond chromiumcoatingwithdiamond≥5/8ofthetotalcoating

Microcrack density: 80-120cracks/mm (chromiumcoatingwithoutimplanted hard particles) 40-100cracks/mm (chromiumcoatingwithdiamond)

Percentage of diamond particles in the coating withimplanted diamond: 0.5-2.0%byvolume

Size of diamond particles: 0.1-2.0µm

Hardness of coating: 900-1200HV0.1

Transversesection 200:1

Runningsurface* 200:1

*areaofcoatingwithimplantedhardparticles

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Runningsurface* 1000:1

Reference:GDC52

Issue date: 05.02

Coating materials: chrome and aluminium oxid

Coating process: electrochemical deposition

Technological properties: high wear resistance low cylinder wear high thermal loading capacity low liability to crack Coating structure: chromium coating with aluminium oxide (Al2O3)

Microcrack density: 50 - 100 cracks/mm

Percentage of Al2O3 particles in the coating: 5 - 12 % by volume

Size of Al2O3 particles: 0.5 - 5 µm

Hardness of Al2O3 particles: 2200 - 3000 HV 0.025*

Coating hardness: 800 - 1200 HV 0.1


Running surface* 200 : 1

* hardness values from literature sourcesNote: Guidelines for assessment of the coating are contained in material specification GOE 530.

AReference: CKS 37


Issue date: 09.2006


Reference: PT-13

Material: PVD – coating CrN [O]

Process: Physical Vapor Deposition (PVD)

Technological properties: High wear resistant coating Crystal structure: CrN predominant (200) orientated 1)

Oxygen content: O: 3 – 15 wt % 2)

Coating hardness: 1500 – 2200 HV 0.1 3)

1) Measured by X-Ray Diffractometer2) Measured by Electron Probe Micro Analyser3) Measured from the surface, load depending on coating thickness. Penetration depth of indentor should not exceed 10% of the coating thickness.

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Issue date: 09.2006


Reference: PT-11

Material: PVD – coating CrN


Technological properties: High wear resistant coating Crystal structure: CrN predominant (200) orientated 1)


1) Measured by X-Ray Diffractometer2) Measured from the surface, load depending on coating thickness. Penetration depth of indentor should not exceed 10% of the coating thickness.

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Issue date: 03.2008


Reference: PT-14

Material: PVD – coating CrN [O]


Technological properties: High wear and scuff resistant coating Crystal structure: CrN predominant (200) orientated 1)

Oxygen content: O: 3 – 15 wt % 2)


1) Measured by X-Ray Diffractometer2) Measured by Electron Probe Micro Analyser3) Measured from the surface, load depending on coating thickness. Penetration depth of indentor should not exceed 10% of the coating thickness

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Issue date: 12.2007


Reference:

Material: DLC coating


Technological properties: Low friction, high scuff resistant coating Coating type: * a-C:H:Me

etched with HNO3

Note: * Coating type according to VDI 2840 Carbon films

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Issue date: 01.00

Coating designation: NT

Process: nitriding and nitrocarburizing of alloyed steels

Nitrided case depth: Nht 700 HV 0.1: as per drawingetched with HNO3 30 : 1

etched with HNO3 500 : 1

Note: The nitrided case depth is determined according to DIN 50190 part 3.

AReference: O 25, RES-M/525

Nitrided case depth

Typical hardness curve

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200

400

600

800

GH

HV 0,1

1000

1200


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Automotive ApplicAtions coatingskorihandbook.tenneco.com/en/pdf/section_67_en.pdf · GOE 232 GDC 50 Electrochemical deposition Chromium and diamond GOE 233 GDC 52 Electrochemical