This standard is formulated based on the relevant terms in GB 6611-86 "Titanium and Titanium Alloys Terminology" and is applicable to the analysis and identification of the metallographic structure of titanium and titanium alloys. GB 8755-1988 Titanium and Titanium Alloys Terminology Metallographic Diagram GB8755-1988 Standard Download Decompression Password: www.bzxz.net

t.DC 669.295 5:001.4
Chinese People's Open and Commercial Standards
GB8755-88
Collection of metallographs on titaniumand titanium alloyterms
Published on 1988-02-25
Published by the State Bureau of Standards
Implemented on 1989-02-01
National Standard of the People's Republic of China
Collection of metallographs on titaniumand titanium alloy terms
UDC 669.295'5
GB8T65-B8
This standard is based on An B 6611-86 It is formulated in accordance with the relevant terms in the "Titanium and Titanium Alloys Terminology" and is applicable to the analysis and identification of the metallographic structure of titanium and titanium alloys. This standard includes 37 metallographic photos, corresponding to 27 terms in GB6611-86. These include: (1) (18) Original 8 grains—8 structure—transformation β—plated structure—equiaxed structure—spherical α—lamellar 4—primary
Secondary a
Elongated
Grain boundary α
Martensite
Intergranular 8
Metastable β
Hydride phase
Intermetallic compound
High lead defect
High interstitial defectWww.bzxZ.net
Wu 8 zone
See Figure 1
See Figure 2
See Figure 3
See Figure 4
See Figure 5
See Figure 6
See Figure 7 Figure 8
See Figure 9, Figure 10
See Figure 11
See Figure 1 2
See Figure 13
See Figure 14
See Figure 15
See Figure 16
See Figure 17
See Figure 18
See Figure 19
See Figure 20
See Figure 21
See Figure 22
See Figure 23
See Figure 24
See Figure 25
See Figure 26, Figure 27
See Figure 28
See Figure 29
See Figure 30
China Nonferrous Metals Industry Corporation 198-02-04 Approved 1 98 9 - 0 2 - 0 1 Implementation
GP 8155
Figure Original 8 grain
alloy, TC4; heat treatment: 1020C, 30min, cold, single agent: HF: HNO, H, O = 1:3t7(a)
etching agent: HF: HNO,H,O=1r3+7
Figure 2-structure
Alloy TC4,
Heat treatment: 750℃, 1h+air cooling
GB875588
Figure 3-structure
Alloy: TC4, heat treatment; 1020℃, 30min furnace cooling, no etchant, HF:HN0,H0-1:3:7(a)
You, HF:HNO,H=1:317
Figure 4-transformation
Alloy, TC4, heat treatment: 950, 1h, air cooling GB E755—88
Figure 5-structure of Wei's structure
Alloy: TC4 heat treatment: 1120℃, 30min, air cooling, no etchant]: HF:HNO,:-H,O =
Figure 6 Equiaxed structure
Alloy, TC4 heat treatment: 00, h, air cooling, no etchant: HFHNO,\H.O1:3:7
50th x
Figure 7 Matrix (matrix)
Gold: TB2, heat treatment: 810, 30min, air cooling, 500C, Bh, air! Short etchant: HF:HNOH,O=1=1:3
GB875588
Etchant: HFHNO:HO=1:6:193
Figure 8 Matrix (transformation 8 matrix)
Alloy: TC44 heat treatment: 950C, 1h, furnace cooling to 600℃, Jingling +97D℃, 1h, air cooling 25m×
Alloy, TA2 heat treatment. 700C, 1h, air cooling, etching agent: HF: HNO, H, O-2: 1: 17GB 875588
32 (polarized light)
Taiwan Gold: TA7, heat treatment: UC, 1h, air cooling, etching agent: HFrHNO: HO[:[:? -anodizing treatment a]
etching agent: HF-HNO, H, O-1:3:?
Figure Shu shape
Alloy: TCA baking treatment: 1020C, 30min, air cooling GB8755-88
Figure 12 Ball collection
Alloy: TC4, heat treatment: 960T, 30min, furnace cooling to 900℃, air cooling: etchant HF:HND, HO-1:37
Alloy: TC4; heat treatment: I020℃, 30m, furnace cooling etchant: HF:HNO,:H,Q=1:3:7500
Figure 14 Toughness!
Alloy: TC4, heat treatment: 960℃, S0min, furnace cooling to 900℃, air cooling, magnetic agent, HF:HNO,H,=113:7
GB875588
Ou Sheng.
Taiwan Gold: TCll heat treatment: 950c,
air cooling, diffuse etching agent, HF:HNOHO=1:3:5 cooling fee
Figure 16 elongated
500 ×
Alloy, TC9, heat treatment: 0℃, 1h, air cooling, +530℃, 6h, air cooling magnetic agent HF:HNOHO25
17 Grain boundary α
Gold content: TC4Heat treatment: 10203, 30min, cold t Etch agent HFHNO, HO=:37
GB8755-88
Figure 18 Bulk
Alloy: TC, heat treatment: 980℃, 1h, air cooling +530r, 6h, air cooling without agent, HF·HNO,: HO-2+3·93
HF:HNOHO=1317
Figure 19 Martensite
Alloy: Tc1, potential treatment: 1u20, 3nmin, water content 10
GB B755—8B
Extraction agent, HF-HNO, HO=[13:7
Figure 20 Intergranular 8
Meanwhile: TCt, heat treatment: 0C.1h cooling
500 ×
Metastable e
Alloy, TB2, heat treatment, 800, 3min, air cooling: Extraction agent: HF:HNO,HO 1:1:3
GB 8755—88
Alloy: Ti-11.5Mo6zr-1.5Sn, heat treatment: 90, 1n. Water rate +370℃, 20min, air cooling Figure 23 Hydride phase
Combination: ZTC4: Heat treatment: cast-hydrogenation treatment; Etching agent: HF, hydrogen peroxide: H, 0=2=5:938
Heat treatment: 950c, 1h, air cooling +530c, 6h. Air cooling: Alloy: TC11
Etching agent: Cheng F: HNO: Glycerol-[:[:3
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