DIS11227 This study
5. ᐇ㦂ᡭ㡰ᐇ㦂᮲௳ࡢゎㄝ
2 ᐇᐇ㦂⨨
2.1 㣕㣕⩧యຍ㏿⨨
2.2 ィィ ⨨
2.2.1 㟁㟁Ꮚኳ⛗
2.2.2 㢧㢧ᚤ㙾ࢩࢫࢸ࣒
2.2.3 㧗㧗㏿ᗘ࣓࢝ࣛ
3 ヨヨ㦂ࣃ࣓࣮ࣛࢱ
4 ヨヨ㦂ᡭ㡰 4.1 ὀὀព㡯 4.2 ヨヨ㦂๓ࡢࡢ‽‽ഛ 4.3 ヨヨ㦂ᚋᚋࡢ ᐃ 5 ゎゎᯒᡭ㡰
5.1 ὀὀព㡯 5.2 ゎゎᯒ᪉ἲ 6. the calibration report ;
6. ㍑ṇヨ㦂ሗ࿌ 6 ᐇᐇ㦂⤖ᯝ 7. presentation of results;
7. ⤖ᯝࡢᥦ♧ 6 ᐇᐇ㦂⤖ᯝ
8. discussion of results;
8. ⤖ᯝࡢ⪃ᐹ 6 ᐇᐇ㦂⤖ᯝ
9. conclusions and recommendations;
9. ⤖ㄽᥦゝ 7⤖⤖ㄽ
10. numerical data in a format agreed by the customer;
10. 㢳ᐈࡼࡗ࡚ᢎㅙࡉࢀࡓᙧᘧࡢᩘ್ࢹ࣮ࢱ N/A 11. Customer’s authorization about the tests.
11. ヨ㦂ࡘ࠸࡚ࡢ㢳ᐈࡢᢎㄆ N/A [I-3]
䛂㻵㻿㻻㻌㻝㻝㻞㻞㻣㻌㻿㼜㼍㼏㼑㻌㼟㼥㼟㼠㼑㼙㼟㻌̿㻌㼀㼑㼟㼠㻌㼜㼞㼛㼏㼑㼐㼡㼞㼑㻌㼠㼛㻌㼑㼢㼍㼘㼡㼍㼠㼑㻌㼟㼜㼍㼏㼑㼏㼞㼍㼒㼠㻌㼙㼍㼠㼑㼞㼕㼍㼘㻌㼑㼖㼑㼏㼠㼍㻌㼡㼜㼛㼚㻌㼔㼥㼜㼑㼞㼢㼑㼘㼛㼏㼕㼠㼥㻌㼕㼙㼜㼍㼏㼠 䠄Ᏹᐂ䝅䝇䝔䝮̿㉸㧗㏿ᗘ⾪✺䛻㉳ᅉ䛩䜛Ᏹᐂᶵᮦᩱ䜲䝆䜵䜽䝍ホ౯䛾䛯䜑䛾ヨ㦂ᡭ㡰䠅䛃
䛻ᇶ䛵䛟ヨ㦂⨨㍑ṇཬ䜃㼑㼖㼑㼏㼠㼍ホ౯ヨ㦂
㻟㻥
[Ϩ-3]
2009ᖺᗘཬࡧ2011ᖺᗘ㸪ᕞᕤᴗᏛ㸭Ᏹᐂ⎔ቃᢏ⾡ࣛ࣎ࣛࢺ࣮ࣜタ⨨ࡉࢀ࡚࠸ࡿヨ㦂⨨࡚㸪
ISO/TC20/SC14/DIS11227‽ᣐࡋࡓ㍑ṇᐇ㦂ࢆ⾜ࡗࡓ㸬௨ୗ㸪ᐇෆᐜࢆグࡍ㸬
1 ┠ ┠ⓗ
㉸㧗㏿⾪✺࡛ᑕฟࡉࢀࡓ㣕⩧యࡢ⾪✺ࡼࡗ࡚Ⓨ⏕ࡍࡿ Ejecta ࢆᅇࡋ㸪ゎᯒࢆ⾜࠺ࡲ࡛ࡢ୍㐃ࡢ ᐇ㦂ᡭ㡰ཬࡧᐇ㦂せ௳ࡘ࠸࡚グ㍕ࡋ࡚࠸ࡿ㸬㉸㧗㏿⾪✺ヨ㦂ࡢᐇ㦂ᡭ㡰ࡣ㸪ྛᅜヨ㦂タࡈ␗࡞
ࡗ࡚࠸ࡿࡢࡀ୍⯡ⓗ࡛࠶ࡾ㸪┦ࡢヨ㦂⤖ᯝࢆඹ㏻ࡢどⅬࡽホ౯ࡋ࠶࠺ࡢࡣᅔ㞴࡞ሙྜࡀከ࠸㸬ࡑࡇ
࡛㸪ᮏ᭩ࡢ┠ⓗࡋ࡚ࡣ㸪ᐇ㦂ᡭ㡰ཬࡧᐇ㦂せ௳ࢆグ㍕ࡍࡿࡇ࡛㸪ヨ㦂タࡈྲྀᚓࡉࢀࡓヨ㦂⤖
ᯝࢆホ౯ࡋࡸࡍࡃࡍࡿࡇ࡛࠶ࡿ㸬≉㸪Ejectaホ౯ヨ㦂ᡭ㡰DIS1227ࡢ➨5❶つ⛬ࡉࢀ࡚࠸ࡿ㸪㍑
ṇヨ㦂ࢆᐇࡋ㸪ᐇྍ⬟࡛࠶ࡿࡇࢆ☜ㄆࡍࡿ㸬ࡲࡓ㸪ྠᩥ᭩ࡢᨵၿࡍࡁ㡯ࢆᢳฟࡍࡿࡇࢆヨ 㦂┠ⓗࡍࡿ㸬
2 ᐇ ᐇ㦂⨨
ᕞᕤᴗᏛ࡛⾜ࡗࡓEjectaヨ㦂࠾࠸࡚⏝ࡋࡓᐇ㦂⨨ࢆ௨ୗ♧ࡍ㸬
2.1 㣕㣕⩧యຍ㏿⨨
㣕⩧యຍ㏿⨨ࡋ࡚㸪ẁᘧ㍍࢞ࢫ㖠ࢆ⏝ࡋࡓ㸬Fig. 1ᮏᐇ㦂࡛⏝ࡋࡓẁᘧ㍍࢞ࢫ㖠ࢆ♧
ࡍ㸬ẁᘧ㍍࢞ࢫ㖠ࡣ㸪ⅆ⸆ࢆ╔ⅆࡉࡏࡿⅬⅆ㒊㸪ⅆ⸆ࡼࡗ࡚ຍ㏿ࡉࢀࡓࣆࢫࢺ࡛ࣥ㍍࢞ࢫࢆᅽ⦰ࡉ ࡏࡿ࣏ࣥࣉࢳ࣮ࣗࣈ㸪᭱ࡶ㧗ᅽ࡞ࡿ㧗ᅽ࢝ࢵࣉࣜࣥࢢ㒊㸪㣕⩧యࢆຍ㏿ࡉࡏࡿࣟࣥࢳࢳ࣮ࣗࣈ㸪ᚋ᪉
ࡽࡢ࢞ࢫࢆᣑᩓࡉࡏࡿࣈࣛࢫࢺࢱࣥࢡ㸪ࢧ࣎ࢆ✵Ẽᢠࡼࡾศ㞳ࡉࡏࡿࢧ࣎ศ㞳༊㛫㸪᭱ᚋࢱ࣮
ࢤࢵࢺࢆタ⨨ࡍࡿヨᩱᐊࡽᵓᡂࡉࢀ࡚࠸ࡿ㸬㣕⩧యࡢ㏿ᗘィ ࡣ㸪࣮ࣞࢨ࣭࢝ࢵࢺἲࢆ⏝ࡋࡓ㸬
ẁᘧ㍍࢞ࢫ㖠ࡢࣟࣥࢳࢳ࣮ࣗࣈࡣෆᚄ5mm㛗ࡉ0.935m㸦2009ᖺᗘ㸧㸪ෆᚄ6mm㛗ࡉ1.2m㸦2011 ᖺᗘ㸧࡛࠶ࡿ㸬ࣟࣥࢳࢳ࣮ࣗࣈࡼࡾⓎᑕࡉࢀࡓࢧ࣎㣕⩧యࡣ㸪✵Ẽᢠࡼࡾࢧ࣎ศ㞳༊㛫࡛ศ㞳ࡋ㸪 ࢧ࣎ศ㞳༊㛫ෆタ⨨ࡉࢀࡓࢧ࣎ศ㞳ᯈ⾪✺㸪㣕⩧యࡣࢧ࣎ศ㞳ᯈࡢ୰ᚰタࡅࡽࢀࡓ✰ࢆ㏻㐣ࡋ࡚㸪 㣕⩧యࡢࡳࡀࢱ࣮ࢤࢵࢺ⾪✺ࡍࡿ㸬
(a) Schematic view [I-3]
Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ◊✲㛤Ⓨ㈨ᩱ䚷㻶㻭㼄㻭㻙㻾㻹㻙㻝㻡㻙㻜㻜㻤 㻠㻜
[Ϩ-3]
(b) External view
Fig. 1 Two-stage light gas gun at KIT (Kyushu Institute of Technology)
2.2 ィィ ⨨
2.2.1 㟁㟁Ꮚኳ⛗
ࢱ࣮ࢤࢵࢺ㸪㣕⩧యࡢ㉁㔞ࢆィ ࡍࡿࡓࡵ㟁Ꮚኳ⛗ࢆ⏝ࡋࡓ㸬Fig. 2㸪Table 1㟁Ꮚኳ⛗ࡢእ ほཬࡧᵝࢆࡑࢀࡒࢀ♧ࡍ㸬ᨺฟࡉࢀࡿEjecta㉁㔞ࡀᩘ༑mg⛬ᗘ࡛࠶ࡿࡓࡵ㸪ኳ⛗ࡢㄞྲྀ㝈ᗘ 0.1g ௨ୗࡢࡶࡢࢆ⏝ࡋࡓ㸬
Fig. 2 Electronic balance
Table 1 Specification of electronic balance Product name
(Company)
Electronic balance (Sartorius)
Model number BP210S
Capacity [g] 210
Resolution [mg] 0.1
Repeatability [mg] 0.1
Linearity [mg] ±0.2
Stabilization time [sec] 2
Sensitivity drift [1/ΥΥ] ±2 x 10-6 (+10 ~ 30Υ)
2.2.2 㢧㢧ᚤ㙾ࢩࢫࢸ࣒
࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺୖࡢ⾪✺ࡼࡿࢧࢬศᕸࢆᚓࡿࡓࡵ㸪ගᏛ㢧ᚤ㙾㸦Fig. 3㸧ࢆ⏝ࡋ࢘
ࢵࢺࢿࢫࣉ࣮ࣞࢺࡢᣑ⏬ീࢆྲྀᚓࡋࡓ㸬Table 2⏝ࡋࡓගᏛ㢧ᚤ㙾ࡢᵝࢆ♧ࡍ㸬ࡑࡢࢩࢫࢸ࣒
ࡣ㸪ගᏛ㢧ᚤ㙾㸪ᶓ᩿ཬࡧ⦪㉮⨨㸪AC ࢧ࣮࣮࣎ࣔࢱ㸪ࣃ࣮ࢯࢼࣝࢥࣥࣆ࣮ࣗࢱ㸪సᴗྎࡽᵓᡂࡉ [I-3]
䛂㻵㻿㻻㻌㻝㻝㻞㻞㻣㻌㻿㼜㼍㼏㼑㻌㼟㼥㼟㼠㼑㼙㼟㻌̿㻌㼀㼑㼟㼠㻌㼜㼞㼛㼏㼑㼐㼡㼞㼑㻌㼠㼛㻌㼑㼢㼍㼘㼡㼍㼠㼑㻌㼟㼜㼍㼏㼑㼏㼞㼍㼒㼠㻌㼙㼍㼠㼑㼞㼕㼍㼘㻌㼑㼖㼑㼏㼠㼍㻌㼡㼜㼛㼚㻌㼔㼥㼜㼑㼞㼢㼑㼘㼛㼏㼕㼠㼥㻌㼕㼙㼜㼍㼏㼠 䠄Ᏹᐂ䝅䝇䝔䝮̿㉸㧗㏿ᗘ⾪✺䛻㉳ᅉ䛩䜛Ᏹᐂᶵᮦᩱ䜲䝆䜵䜽䝍ホ౯䛾䛯䜑䛾ヨ㦂ᡭ㡰䠅䛃
䛻ᇶ䛵䛟ヨ㦂⨨㍑ṇཬ䜃㼑㼖㼑㼏㼠㼍ホ౯ヨ㦂
㻠㻝
[Ϩ-3]
ࢀࡿ㸬㢧ᚤ㙾ࢩࢫࢸ࣒ࡣ㸪ࡲࡎX㍈᪉ྥ୍ᐃ㛫㝸࡛⛣ືࡋ㸦ᶓ⾜㸧⏬ീࢆᙳࡍࡿ㸬ྠࣃ࣮ࢯࢼ
ࣝࢥࣥࣆ࣮ࣗࢱ⏬ീࢆಖᏑࡍࡿ㸬ගᏛ㢧ᚤ㙾ࡀ࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡢ➃฿㐩ࡍࡿ㸪ᑐഃࡢ➃
⛣ືࡋ㸪 Y㍈᪉ྥ୍ᐃ㛫㝸⛣ືࡋ㸦㉮⾜㸧㸪ୖグືసࢆ⧞ࡾ㏉ࡍ㸬Fig. 4࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺ ࡢᗙᶆࢆ♧ࡍ㸬ࢫ࢟ࣕࢽࣥࢢࢆ⾜࠺㝿㸪ಸ⋡125ಸ࡛ࡣ㸪ᐇ㦂๓ࡢയぢศࡅࡽࢀࡿ᭱ᑠࢧࢬࡣ┤
ᚄ⣙25 Pm࡛࠶ࡗࡓ㸬ಸ⋡125ಸ㸪X㍈Y㍈ࡶ1 mmࡢᙳ㛫㝸࡛ᙳࡋࡓሙྜ㸪1ᯛࡢ㖡ᯈࢆ
ᙳࡋ⤊ࢃࡿࡢ⣙6㛫ࡾ㸪⥲ᯛᩘࡣ27,331ᯛ࡛࠶ࡗࡓ㸬
Fig. 3 Microscope system Fig. 4 Coordinate of witness plate
Table 2 Specification of microscope system
Model number (Company)
Zoom lens VH-Z35
(KEYENCE) Traverse
equipment SKR46 (THK) Testing bench HA-1510
(SIGMA KOKI)
Magnification 35 ~ 245
Image size [pixel] 640 x 480 Depth of field [mm] 8.3 ~ 0.3 Observation distance [mm] 54
Operating distance [mm] 740 x 940
2.2.3 㧗㧗㏿ᗘ࣓࢝ࣛ
EjectaࡢⓎ⏕㐣⛬ࢆᙳࡍࡿࡓࡵ㸪㧗㏿ᗘ࣓࢝ࣛࢆ⏝ࡋࡓ㸬Fig. 5㸪Table 3㧗㏿ᗘ࣓࢝ࣛࡢእ
ほཬࡧᵝࢆࡑࢀࡒࢀ♧ࡍ㸬
[I-3]
Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ◊✲㛤Ⓨ㈨ᩱ䚷㻶㻭㼄㻭㻙㻾㻹㻙㻝㻡㻙㻜㻜㻤 㻠㻞
[Ϩ-3]
Fig. 5 High-speed camera
Table 3 Specification of high-speed camera Product name (Company) High-speed camera
(SHIMADZU)
Model number HPV-1
Recording method IS-CCD image sensor Resolution [pixel] 312 (horizontal) x 260 (vertical)
Frame storage [frame] 100
Lens mount Nikon F mount
Color, Gradations Monochrome, 10 bits Recording speed [fps] 30 to 1,000,000
Exposure time 1/2,1/4,1/8, or OFF(3/4) of recording intervals External trigger input TTL (positive/negative)
Recording format 10-bit dedicated format, BMP, AVI, JPEG
3 ヨ ヨ㦂ࣃ࣓࣮ࣛࢱ
ヨ㦂ࣃ࣓࣮ࣛࢱࢆ௨ୗ♧ࡍ㸬Fig. 6 ࢱ࣮ࢤࢵࢺཬࡧ࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡢᵓᡂᅗࢆ♧ࡍ㸬
Ejecta㉁㔞ࡣ㸪ࢱ࣮ࢤࢵࢺࡢᐇ㦂๓ᚋࡢ㉁㔞ᕪࡼࡾ⟬ฟࡍࡿࡀ㸪ࢱ࣮ࢤࢵࢺࡀྜᡂ▼ⱥ࢞ࣛࢫࡢሙྜ㸪
⾪✺ヨ㦂ࡼࡾ࢞ࣛࢫࡢ࢚ࢵࢪࡀࡅ㸪ཝᐦ࡞Ejecta㉁㔞ࡢ⟬ฟࡀᅔ㞴࡛࠶ࡿࡓࡵ㸪ࢱ࣮ࢤࢵࢺࢆFig. 7 ࡢࢱ࣮ࢤࢵࢺ࣍ࣝࢲ࣮ධࢀ࡚ᐇ㦂ࢆ⾜ࡗࡓ㸬࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡣ㸪ࢱ࣮ࢤࢵࢺ๓㠃ᨺฟࡉࢀࡓ
Ejectaࢆᤕ⋓ཬࡧ⾪✺ࢲ࣓࣮ࢪࡢホ౯ࢆࡍࡿࡓࡵ⏝ࡍࡿ㸬
[I-3]
䛂㻵㻿㻻㻌㻝㻝㻞㻞㻣㻌㻿㼜㼍㼏㼑㻌㼟㼥㼟㼠㼑㼙㼟㻌̿㻌㼀㼑㼟㼠㻌㼜㼞㼛㼏㼑㼐㼡㼞㼑㻌㼠㼛㻌㼑㼢㼍㼘㼡㼍㼠㼑㻌㼟㼜㼍㼏㼑㼏㼞㼍㼒㼠㻌㼙㼍㼠㼑㼞㼕㼍㼘㻌㼑㼖㼑㼏㼠㼍㻌㼡㼜㼛㼚㻌㼔㼥㼜㼑㼞㼢㼑㼘㼛㼏㼕㼠㼥㻌㼕㼙㼜㼍㼏㼠 䠄Ᏹᐂ䝅䝇䝔䝮̿㉸㧗㏿ᗘ⾪✺䛻㉳ᅉ䛩䜛Ᏹᐂᶵᮦᩱ䜲䝆䜵䜽䝍ホ౯䛾䛯䜑䛾ヨ㦂ᡭ㡰䠅䛃
䛻ᇶ䛵䛟ヨ㦂⨨㍑ṇཬ䜃㼑㼖㼑㼏㼠㼍ホ౯ヨ㦂
㻠㻟
[Ϩ-3]
Fig. 6 Setup of target and witness plate Fig. 7 Target holder
z 㣕㣕⩧య
つ᱁࡛ࡣ㣕⩧యᮦᩱࡋ࡚A2017A2024ࢆ᥎ዡࡋ࡚࠸ࡿ㸬ᮏᐇ㦂࡛ࡣ㸪௨ୗ♧ࡍࡼ࠺
A1050⌫࠾ࡼࡧA2017⌫ࢆ⏝ࡍࡿ㸬
ᮦ
ᮦ㉁㸸࣑ࣝࢽ࣒࢘ྜ㔠㸦A1050㸪A2017㸧 ࢧ
ࢧࢬཬࡧᙧ≧㸸┤ᚄ1 mm +/- 0.1 mm⌫
⾪
⾪✺㏿ᗘ(᥎᥎ዡ್)㸸5 km/sec +/-100m/sec
ὀ㸸ᮏ⾪✺㏿ᗘࡣ᥎ዡ್࡛࠶ࡾ㸪ᮏᐇ㦂࠾ࡅࡿ⾪✺㏿ᗘࡣ㍑ṇヨ㦂࡛ᐇࡋࡓ㏿ᗘ
‽ࡎࡿࡶࡢࡍࡿ㸬
⾪
⾪✺ゅᗘ㸸0°㸦ࢱ࣮ࢤࢵࢺ⾲㠃ἲ⥺᪉ྥࢆ0°ࡍࡿ㸧
z ࢱࢱ࣮ࢤࢵࢺ
ࢱ࣮ࢤࢵࢺࡣ㸪つ᱁㏻ࡾ㸪⾪✺ࡼࡗ࡚ࢫ࣏࣮ࣝࡀⓎ⏕ࡋ㸪ࡼࡾ࢚ࢪ࢙ࢡࢱࡀᨺฟࡋࡸࡍ࠸
ᮦᩱ࡛࠶ࡿ⁐⼥▼ⱥ࢞ࣛࢫࢆ⏝ࡍࡿ㸬Fig. 8㸪Table 4ࢱ࣮ࢤࢵࢺ⏝ࡋࡓ⁐⼥▼ⱥ࢞ࣛࢫࡢ እほཬࡧᵝࢆࡑࢀࡒࢀ♧ࡍ㸬
ᅛ
ᅛᐃ᪉ἲ㸸⬤ᛶᮦᩱࡢሙྜࡣࢱ࣮ࢤࢵࢺࡢ࢚ࢵࢪࡦࡧࢀཬࡧḞᦆࡀⓎ⏕ࡍࡿྍ⬟ᛶࡀ࠶ࡿ
ࡓࡵ㸪ࢱ࣮ࢤࢵࢺࡢ࿘ࡾࢆࢦ࣒ࢫ࣏ࣥࢪ࡛そ࠸㸪ࡑࢀࡽࢆ࣑ࣝࢣ࣮ࢫࡢෆ㒊ࡵ
ࡿ㸦Fig. 7㸧㸬
[I-3]
Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ◊✲㛤Ⓨ㈨ᩱ䚷㻶㻭㼄㻭㻙㻾㻹㻙㻝㻡㻙㻜㻜㻤 㻠㻠
[Ϩ-3]
Fig. 8 Target
Table 4 Specification of target
Target material Fused Silica
Product name (Company) LITHOSIL® (SCHOTT)
Grade QT
Width [mm] 50±1.5
Height [mm] 50±1.5
Thickness [mm] 20±1.0
Mass [g] 110
Density [g/cm3] 2.2
Tensile strength [MPa] 50
Thermal Expansion Coefficient [1/K] 0.51 x 10-6
Thermal Conductivity [W/(m·K)] 1.31
Electrical Resistivity [::·m] 1.15 x 1016
z ࢘࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺ
࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡣ㸪ࢱ࣮ࢤࢵࢺ๓㠃ᨺฟࡉࢀࡓ࢚ࢪ࢙ࢡࢱࢆᤕ⋓ཬࡧ⾪✺ࢲ࣓࣮ࢪࡢホ ౯ࢆࡍࡿࡓࡵ⏝ࡍࡿ㸬つ᱁DIS1227ᚑࡗ࡚㸪ᮏᐇ㦂࡛ࡣ㖡ᯈࢆ⏝࠸ࡿ㸬Fig. 9㸪Table 5
࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺ⏝ࡋࡓ㖡ᯈࡢእほཬࡧᵝࢆࡑࢀࡒࢀ♧ࡍ㸬
ᮏヨ㦂࡛ࡣ㸪࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡢ᮲௳㐪࠸ࢆタࡅ㸪ヨ㦂⤖ᯝࡢᙳ㡪ࢆㄪࡓ㸬⾲㠃ฎ⌮
ࡣ㸪ᶵᲔ◊☻㸪Ꮫ◊☻㸪◊☻↓ࡢ୕✀㢮㸪ㄪ㉁ࡣ1/4HᮦOᮦࡢ✀㢮㸪ࢱ࣮ࢤࢵࢺ࢘ࢵ
ࢺࢿࢫࣉ࣮ࣞࢺࡢ㊥㞳ࡣ50 mm 100 mmࡢ✀㢮࡛ヨ㦂ࢆ⾜ࡗࡓ㸬
タ
タ⨨㊥㞳㸸ࢱ࣮ࢤࢵࢺ๓㠃ࡽ50㸪100 mm タ
タ⨨ゅᗘ㸸ࢱ࣮ࢤࢵࢺᖹ⾜
ᅛ
ᅛᐃ᪉ἲ㸸Fig. 6♧ࡍࡼ࠺࣑ࣝࢽ࣒࢘ᯈࡼࡾ࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺୖୗࢆᣳࡳᅛᐃࡍࡿ㸬 [I-3]
䛂㻵㻿㻻㻌㻝㻝㻞㻞㻣㻌㻿㼜㼍㼏㼑㻌㼟㼥㼟㼠㼑㼙㼟㻌̿㻌㼀㼑㼟㼠㻌㼜㼞㼛㼏㼑㼐㼡㼞㼑㻌㼠㼛㻌㼑㼢㼍㼘㼡㼍㼠㼑㻌㼟㼜㼍㼏㼑㼏㼞㼍㼒㼠㻌㼙㼍㼠㼑㼞㼕㼍㼘㻌㼑㼖㼑㼏㼠㼍㻌㼡㼜㼛㼚㻌㼔㼥㼜㼑㼞㼢㼑㼘㼛㼏㼕㼠㼥㻌㼕㼙㼜㼍㼏㼠 䠄Ᏹᐂ䝅䝇䝔䝮̿㉸㧗㏿ᗘ⾪✺䛻㉳ᅉ䛩䜛Ᏹᐂᶵᮦᩱ䜲䝆䜵䜽䝍ホ౯䛾䛯䜑䛾ヨ㦂ᡭ㡰䠅䛃
䛻ᇶ䛵䛟ヨ㦂⨨㍑ṇཬ䜃㼑㼖㼑㼏㼠㼍ホ౯ヨ㦂
㻠㻡
[Ϩ-3]
Fig. 9 Witness plate
Table 5 Specification of witness plate
Target material Copper
Alloy and temper JIS C 1100P-1/4H
Surface treatment Buffing, Chemical polishing, Nothing
Width [mm] 150
Height [mm] 180
Thickness [mm] 2
Density [g/cm3] 8.92
Tensile strength [MPa] 215 ~ 275
Vickers hardness [HV] 55 ~ 100
Thermal Expansion Coefficient [1/K] 17.7 × 10-6
Thermal Conductivity [W/(m·K)] 1.31
(OHFWULFDO5HVLVWLYLW\>ȍāP@ 1.15 × 1016
Hole diameter [mm] 30
z ヨヨ㦂⎔ቃ
つ᱁ᚑ࠸㸪௨ୗࢆタᐃ
ヨ
ヨ㦂 ᗘ㸸ᐊ ヨ
ヨ㦂ᅽຊ㸸ྍ⬟࡞㝈ࡾ┿✵ᗘࢆ㧗ࡃࡍࡿ㸬㸦⣙40 Pa㸧
4 ヨ ヨ㦂ᡭ㡰
ࡇࡇ࡛ࡣ㸪ࢱ࣮ࢤࢵࢺ࣭࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡢタ⨨࣭ィ ➼ࡢヨ㦂ᡭ㡰ࡘ࠸࡚グࡍ㸬㣕⩧యຍ
㏿⨨ࡢᐇ㦂ᡭ㡰㛵ࡋ࡚ࡣࡇࡇ࡛ࡣ┬␎ࡍࡿ㸬 [I-3]
Ᏹᐂ⯟✵◊✲㛤Ⓨᶵᵓ◊✲㛤Ⓨ㈨ᩱ䚷㻶㻭㼄㻭㻙㻾㻹㻙㻝㻡㻙㻜㻜㻤 㻠㻢
[Ϩ-3]
4.1 ὀὀព㡯
࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࢆᢅ࠺㝿ࡣ㸪࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺ⾲㠃ࢆയࡘࡅ࡞࠸ࡼ࠺ᡭ⿄ࢆᚲࡎ╔⏝ࡍ
ࡿ㸬ゎᯒࡢ㝿ᣦ⣠ࡀ╔ࡋ࡚࠸ࡿ⾪✺ࢆ᳨ฟ࡛ࡁ࡞࠸㸬
4.2 ヨヨ㦂๓ࡢ‽ഛ
z ヨ㦂๓㣕⩧యཬࡧࢱ࣮ࢤࢵࢺࡢࣃ࣓࣮ࣛࢱ㸦㉁㔞࣭ࢧࢬ㸧ࢆ ᐃࡋ Table 6ࡢࢹ࣮ࢱࢩ࣮
ࢺグධࡍࡿ㸬
z ᐃᚋ㸪ࢱ࣮ࢤࢵࢺࢆ࣍ࣝࢲ࣮ࢣ࣮ࢫධࢀ㸪࣍ࣝࢲ࣮ࢣ࣮ࢫཬࡧࢱ࣮ࢤࢵࢺࡢྜィ㉁㔞ࢆ
ᐃࡍࡿ㸬
z ࢱ࣮ࢤࢵࢺཬࡧ࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࢆヨᩱᐊෆタ⨨ࡍࡿ㸬࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡣ㸪ࢱ࣮
ࢤࢵࢺࡢ๓᪉ 50~100 mm ࡢ⨨タ⨨ࡋ㸪ࢱ࣮ࢤࢵࢺཬࡧ࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࡢ୰ᚰࢆྜ
ࢃࡏࡿ㸬
Table 6 Experimental data sheet
4.3 ヨヨ㦂ᚋࡢ ᐃ
z ヨ㦂ᚋ㸪ࢱ࣮ࢤࢵࢺཬࡧ࢘ࢵࢺࢿࢫࣉ࣮ࣞࢺࢆྲྀࡾฟࡋ㸪࣍ࣝࢲ࣮ࢣ࣮ࢫཬࡧࢱ࣮ࢤࢵࢺࡢ
ྜィ㉁㔞ࢆ ᐃࡋ㸪Table 6グධࡍࡿ㸬
z ᐇ㦂๓ᚋࡢ㉁㔞ᕪࡽ࢚ࢪ࢙ࢡࢱ㉁㔞Meࢆ⟬ฟࡍࡿ㸬
z ࣍ࣝࢲ࣮ࢣ࣮ࢫࡽࢱ࣮ࢤࢵࢺࢆྲྀࡾฟࡋ㸪⾪✺ཬࡧࢫ࣏࣮ࣝ┤ᚄࢆ ᐃࡋ㸪Table 7グධ ࡍࡿ㸬
Table 7 Experimental results Impact velocity [km/sec]
Ejected mass [mg]
Diameter [mm]
Impact crater
Spall
Material Mass [g] Size [mm]
Before After Width × Height × Thickness
Target × ×
Holder case + Target
Witness plate Surface treatment
× ×
Projectile Mass [g] Diameter [mm]
[I-3]
䛂㻵㻿㻻㻌㻝㻝㻞㻞㻣㻌㻿㼜㼍㼏㼑㻌㼟㼥㼟㼠㼑㼙㼟㻌̿㻌㼀㼑㼟㼠㻌㼜㼞㼛㼏㼑㼐㼡㼞㼑㻌㼠㼛㻌㼑㼢㼍㼘㼡㼍㼠㼑㻌㼟㼜㼍㼏㼑㼏㼞㼍㼒㼠㻌㼙㼍㼠㼑㼞㼕㼍㼘㻌㼑㼖㼑㼏㼠㼍㻌㼡㼜㼛㼚㻌㼔㼥㼜㼑㼞㼢㼑㼘㼛㼏㼕㼠㼥㻌㼕㼙㼜㼍㼏㼠 䠄Ᏹᐂ䝅䝇䝔䝮̿㉸㧗㏿ᗘ⾪✺䛻㉳ᅉ䛩䜛Ᏹᐂᶵᮦᩱ䜲䝆䜵䜽䝍ホ౯䛾䛯䜑䛾ヨ㦂ᡭ㡰䠅䛃
䛻ᇶ䛵䛟ヨ㦂⨨㍑ṇཬ䜃㼑㼖㼑㼏㼠㼍ホ౯ヨ㦂
㻠㻣
[Ϩ-3]