Journal papers *)reviewed [2014] モリブデン合金の強度および延性に及ぼす結晶粒サイズの影響 角倉孝典,平岡 裕,池ヶ谷明彦 粉体および粉末冶金 61(2) (2014) 67-72 [2011] Low-temperature strengths and ductility of various tungsten sheets Y.Hiraoka, H.Kurishita Advances in Materials Science and Engineering 2011 (2011) Article ID:509457 (7 pages) Temperature dependence of the reflectivity degradation in single and polycrystalline Mo mirrors under the irradiation with low-energy helium ions K.Ono, M.Miyamoto, T.Nakano, Y.Hiraoka Journal of Nuclear Materials 415 (2011) S1214-S1217 モリブデン焼結体のミクロ組織に及ぼす焼結条件の影響 角倉孝典,平岡 裕,池ヶ谷明彦 粉体および粉末冶金 58(11) (2011) 655-660 [2010] Carbon diffusion behavior in molybdenum at relatively low temperatures Y.Hiraoka, K.Imamura, T.Kadokura, Y.Yamamoto Journal of Alloys and Compounds 489(2010) 42-46 Change of mechanical property and fracture mode of molybdenum by carbon addition T.Kadokura, Y.Hiraoka, Y.Yamamoto, K.Okamoto Materials Transactions 51(7) (2010) 1296-1301 [2009] Effects of helium irradiation on degradation of optical properties of single and polycrystalline Mo mirrors for plasma diagnostics K.Ono, M.Miyamoto, T.Nakano, H.Kurata, Y.Hiraoka Physica Scripta T138 (2009) Article ID: 014065 (4 pages) [2008] Processing of fine-grained W materials without detrimental phases and their mechanical properties at 200-432K -1- Y.Ishijima, S.Kannari, H.Kurishita, M.Hasegawa, Y.Hiraoka, T.Takida, K.Takebe Materials Science and Engineering: A 473 (2008) 7-15 [2007] Hardening behavior of dilute Mo-Ti alloys by two-step heat-treatment T.Inoue, Y.Hiraoka, M.Nagae, J.Takada International Journal of Refractory Metals & Hard Materials 25 (2007) 138-143 Localized deformation behavior of W-80vol%Cu composite at room temperature H.Hanado, Y.Hiraoka Materials Transactions 48(4) (2007) 775-779 [2006] Effects of Ti addition on carbon diffusion in molybdenum T.Inoue, Y.Hiraoka, M.Nagae, J.Takada Journal of Alloys and Compounds 414(1-2) (2006) 82-87 [2005] Microstructure and bend ductility of W-0.3mass%TiC alloys fabricated by advanced powder-metallurgy processing Y.Ishijima, H.Kurishita, H.Arakawa, M.Hasegawa, Y.Hiraoka, T.Takida, K.Takebe Materials Transactions 46(3) (2005) 568-574 Ductile-to-brittle transition characteristics in W-Cu composite with incease of Cu content Y.Hiraoka, T.Inoue, H.Hanado, N.Akiyoshi Materials Transactions 46(7) (2005) 1663-1670 Preparation of structurally controlled dilute molybdenum-titanium alloys through a novel multi-step internal nitriding technique and their mechanical properties M.Nagae, Y.Takemoto, T.Yoshio, J.Takada, Y.Hiraoka Materials Science and Engineering: A 406 (2005) 50-56 Improvement in recrystallization temperature and mechanical properties of a commercial TZM alloy through microstructure control by multi-step internal nitriding M.Nagae, T.Yoshio, J.Takada. Y.Hiraoka Materials Transactions 46(10) (2005) 2129-2134 [2004] Current status of ductile tungsten alloy development by mechanical alloying Y.Ishijima, H.Kurishita, K.Yubuta, H.Arakawa, M.Hasegawa, Y.Hiraoka, T.Takida, K.Takebe -2- Journal of Nuclear Materials 329-333 (2004) 775-779 Microstructural development and radiation hardening of neutron irradiated Mo-Re alloys Y.Nemoto, A.Hasegawa, M.Satou, K.Abe & Y.Hiraoka Journal of Nuclear Materials 324(1) (2004) 41-51 Deformation behavior at room temperature of W-80vol%Cu composite Y.Hiraoka, H.Hanado, T.Inoue International Journal of Refractory Metals & Hard Materials 22(2/3) (2004) 87-93 Application of fractography to the study of carbon diffusion in molybdenum Y.Hiraoka, H.Iwasawa, T.Inoue, M.Nagae & J.Takada Journal of Alloys and Compounds 377(1-2) (2004) 127-132 Decrease of yield strength in molybdenum by adding small amounts of group VIII elements Y.Hiraoka, T.Ogusu, N.Yoshizawa Journal of Alloys and Compounds 381(1-2) (2004) 192-196 [2003] R&D of a MW-class solid-target for a spallation neutron source M.Kawai, M.Furusawa, K.Kikuchi, H.Kurishita, R.Watanabe, J.-F.Li, K.Sugimoto, T.Yamamura, Y.Hiraoka, K.Abe, A.Hasegawa, M.Yoshiie, H.Takenaka, K.Mishima, Y.Kiyanagi, T.Tanabe, N.Yoshida, T.Igarashi Journal of Nuclear Materials 318 (2003) 38-55 Strengths and ductility of Mo–TiC alloys after secondary recrystallization Y.Hiraoka International Journal of Refractory Metals & Hard Materials 21 (2003) 265-270 [2002] 炭化処理を行ったモリブデン合金の硬さ分布 星加哲志,平岡 裕,長江正寛,高田 潤 粉体および粉末冶金 49(1) (2002) 32-35 モリブデンと炭素基複合材の継手強度に及ぼすろう付温度の影響 平岡 裕,中野信二郎,西川 進,奈賀正明 高温学会誌 28(1) (2002) 68-72 [2001] アンモニアガスを用いて窒化処理を行った Mo-Ti 合金における表面層内の硬さ -3- 分布 平岡 裕,小林 誠,長江正寛,高田 潤 高温学会誌 27(4) (2001) 156-159 [2000] ニッケルあるいはパラジウムを少量添加した Mo 合金の低温破断挙動 吉澤直記,平岡 裕,小樋誠二,岩隈和夫 粉体および粉末冶金 47(8) (2000) 824-829 多段内部窒化処理による希薄 Mo-Ti 合金の再結晶制御 長江正寛, 高田 潤, 竹元嘉利, 平岡 裕, 吉尾哲夫 日本金属学会誌 64(9) (2000) 747-750 内部窒化により組織制御した Mo 合金の機械的性質 長江正寛, 高田 潤, 平岡 裕, 竹元嘉利, 吉尾哲夫 日本金属学会誌 64(9) (2000) 751-754 [1999] ドープモリブデンの強度および延性に及ぼす炭素添加の効果 星加哲志,平岡 裕 粉体および粉末冶金 46(5) (1999) 472-477 窒素ガスにより内部窒化させた TZM 合金の低温靭性 小林 誠,平岡 裕,長江正寛,高田 潤 粉体および粉末冶金 46(7) (1999) 705-709 高熱流束機器用高靭性高 Z 材料の開発 栗下裕明,橘内裕寿,桑原鉄也,長谷川雅幸,平岡 プラズマ・核融合学会誌 75(5)(1999) 594-603 裕,瀧田朋広,五十嵐 廉 Microstructure and impact properties of ultra-fine grained tungsten alloys dispersed with TiC Y.Kitsunai, H.Kurishita, H.Kayano, Y.Hiraoka, T.Takida & T.Igarashi Journal of Nuclear Materials, 271&272 (1999) 423-428 長大結晶粒積層組織を有する Mo 板の低温破断挙動 瀧田朋広,五十嵐 廉,星加哲志,平岡 裕 粉体および粉末冶金 46(10) (1999) 1025-1030 Parameter representing low-tempeature fracture strength in molybdenum having an elongated and large grain structure Y.Hiraoka and T.Hoshika -4- International Journal of Refractory Metals & Hard Materials 17(5) (1999) 339-344 [1998] Mo-Ti 合金のアンモニアガスと窒素ガス中での窒化挙動の比較 長江正寛, 国定昭宏, 高田 潤, 平岡 裕, 竹元嘉利, 飛田守孝, 桑原秀行 粉体および粉末冶金 45(2) (1998) 189-194 各種ろう材を用いて接合したモリブデンと炭素系セラミックスの破断強度 平岡 裕, 平櫛敬資 粉体および粉末冶金 45(4) (1998) 356-361 Nitriding of dilute Mo-Ti alloys at a low temperature of 1373K M.Nagae, S.Okada, M.Nakanishi, J.Takada, Y.Hiraoka, Y.Takemoto, M.Hida, H.Kuwahara & M.K.Yoo International Journal of Refractory Metals & Hard Materials 16 (1998) 127-132 微細結晶粒組織を有する遷移金属炭化物分散 Mo 焼結合金の低温破断挙動 瀧田朋広,五十嵐 廉,土肥義治,平岡 裕 粉体および粉末冶金 45(10) (1998) 974-980 ドープモリブデンの低温破断特性に及ぼす試験片厚さおよび試験方法の影響 星加哲志,平岡 裕 粉体および粉末冶金 45(11) (1998) 1028-1033 放電プラズマ焼結法によって作製した遷移金属炭化物分散 Mo 焼結合金の低温 破断挙動 Ĉ 田朋広,五十嵐 廉,土肥義治,長柄毅一,平岡 裕 粉体および粉末冶金 45(11) (1998) 1098-1104 [1997] Impact properties of TiC dispersed molybdenum alloys exposed to 2273K heating Y.Kitsunai, H.Kurishita, H.Kayano, Y.Hiraoka, T.Takida, T.Igarashi Sicence reports of the Research Institutes, Tohoku University A45 (1997) 115-120 [1996] Development of molybdenum alloy with high toughness at low temperatures H.Kurishita, Y.Kitsunai, Y.Hiraoka, T.Shibayama & H.Kayano Materials Transactions, JIM 37(1) (1996) 89-97 ドープモリブデン線の粒組織と低温破断特性の関係 星加哲志, 平岡 裕, M.K.Yoo, J.Choi -5- 粉体および粉末冶金 43(7) (1996) 913-917 Joining of single-crystalline molybdenum and carbon-ceramics by using palladium and palldium-silver alloy as brazing metal Y.Hiraoka and S.Nishikawa International Journal of Refractory Metals & Hard Materials 14 (1996) 311-317 Influence of heating in vacuum on low-temperature fracture behavior of carburized Mo-Ti alloys S.Yoshimura and Y.Hiraoka International Journal of Refractory Metals & Hard Materials 14 (1996) 325-333 Recrystallization of TiC dispersion Mo-alloy M.K.Yoo, Y.Hiraoka, H.Kurishita, H.Kayano & J.Choi International Journal of Refractory Metals & Hard Materials 14 (1996) 355-364 Effect of neutron irradiation on low temperature toughness of TiC-dispersed molybdenum alloys Y.Kitsunai, H.Kurishita, M.Narui, H.Kayano & Y.Hiraoka Journal of Nuclear Materials, 239 (1996) 253-260 Development of Mo alloys with improved resistance to embrittlement by recrystallization and irradiation H.Kurishita, Y.Kitsunai, T.Shibayama, H.Kayano, Y.Hiraoka Journal of Nuclear Materials 233-237 (1996) 557-564 [1995] 純モリブデン再結晶板の延性-脆性遷移特性に及ぼす試験片寸法の影響 平岡 裕, 星加哲志 粉体および粉末冶金 42(1) (1995) 108-112 Grain growth behavior in Mo-0.2mass%Ti alloy Y.Hiraoka, K.Tanigawa, M.K.Yoo & J.Choi Materials Transactions, JIM 36(3) (1995) 469-471 (*short note) Fracture and ductile-to-brittle transition characteristics of molybdenum by impact and static bend tests Y.Hiraoka, H.Kurishita, M.Narui & H.Kayano Materials Transactions, JIM 36(4) (1995) 504-510 Secondary recrystallization of molybdenum sheet doped with CaO and MgO under hydrogen atmosphere M.K.Yoo, Y.Hiraoka & J.Choi International Journal of Refractory Metals & Hard Materials 13 (1995) 195-203 -6- Low temperature fracture strength and ductility of carburized Mo-Ti alloys Y.Hiraoka and S.Yoshimura International Journal of Refractory Metals & Hard Materials 13 (1995) 205-210 Recrystallization of molybdenum wire doped with lanthanum oxide M.K.Yoo, Y.Hiraoka & J.Choi International Journal of Refractory Metals & Hard Materials 13 (1995) 221-227 Rhenium effect on bend properties at liquid nitrogen temperature in single-crystal molybdenum Y.Hiraoka Journal of Alloys and Compounds 224 (1995) 148-152 Recrystallization of molybdenum wire doped with potassium-silicate M.K.Yoo, Y.Hiraoka & J.Choi Metallurgical and Materials Transactions A 26A (1995) 801-816 Specimen size effect on bend properties of molybdenum doped with potassium-silicate Y.Hiraoka, T.Hoshika, M.K.Yoo & J.Choi Journal of the Japan Society of Powder and Powder Metallurgy 42(8) (1995) 964-968 Deformation characteristics at 300K of single-crystalline molybdenum sheet prepared by secondary recrystallization M.K.Yoo, Y.Hiraoka & J.Choi Scripta Metallurgica et Materialia 33(9) (1995) 1461-1467 (*short [1994] Effect of chemistry gradient of CaO and MgO on recrystallization and grain growth in thickness direction of molybdenum sheet M.K.Yoo, Y.Hiraoka & J.Choi Journal of the Korean Institute of Metals & Materials 32(1) (1994) 28-37 (in Korean) Room temperature slip in a molybdenum bicrystal prepared by means of secondary recrystallization Y.Hiraoka and E.Sukedai Zeitschrift fur Metallkunde 85 (1994) 232-236 Low-temperature tensile behavior of powder-metallurgy Mo-Ti alloys Y.Hiraoka, S.Yoshimura & K.Takebe International Journal of Refractory Metals & Hard Materials 12 (1993-1994) 211-216 Effects of complex additions of Re or Ti with C on the strength and ductility of recrystallized molybdenum Y.Hiraoka, S.Yoshimura & K.Takebe International Journal of Refractory Metals & Hard Materials 12 (1993-1994) 261-268 -7- 粉末冶金 Mo 合金の延性-脆性遷移特性に及ぼす固溶 Ti の効果 吉村 悟, 平岡 裕, 武部克嗣 日本金属学会誌 58(7) (1994) 734-739 [1993] モリブデン 2 重層結晶の延性-脆性遷移特性 平岡 裕 高温学会誌 19(4) (1993) 141-146 モリブデン単結晶のろう付継手の破断応力の評価 平岡 裕 高温学会誌 19(5) (1993) 216-221 Observation of bubble formation substance in molybdenum doped with K2O and SiO2 M.K.Yoo, Y.Hiraoka and J.Choi Journal of the Korean Institute of Metals & Materials 31(10) (1993) 1249-1254 (in Korean) Effect of microstructures on the non-sag property and ductility in molybdenum wire M.K.Yoo, Y.Hiraoka, C.S.Choi & J.Choi Journal of the Korean Institute of Metals & Materials 31(10) (1993) 1255-1261 (in Korean) Grain growth of molybdenum sheet doped with CaO and MgO M.K.Yoo, G.S.Moon, H.Y.Ra, Y.Hiraoka & J.Choi Journal of the Korean Institute of Metals & Materials 31(11) (1993) 1396-1402 (in Korean) [1992] 異種高融点金属同士の電子ビーム溶接 平岡 裕, 福田隆三 高温学会誌 18(1) (1992) 45-55 モリブデンの低温破断挙動に及ぼすレニウムと炭素添加の効果 平岡 裕 日本金属学会誌 56(2) (1992) 161-167 High-temperature annealing embrittlement of single-crystalline molybdenum joined by using Mo-40%Ru alloy Y.Hiraoka Refractory Metals & Hard Materials 11(1992) 89-95 -8- Brazing of single-crystalline molybdenum by using Pd-20%Ag alloy Y.Hiraoka Refractory Metals & Hard Materials 11 (1992) 303-307 [1991] Ductile-to-brittle transition characteristics in tungsten single crystals Y.Hiraoka and T.Fujii Zeitschrift fur Metallkunde 82(4) (1991) 275-278 モリブデン単結晶の曲げ破断応力に及ぼす試験片厚さの効果 平岡 裕, 藤井忠行 高温学会誌 17(3) (1991) 130-135 ドープ・モリブデン板の低温破断挙動の異方性 平岡 裕 水曜会誌 21(6) (1991) 385-389 Surface alloying of molybdenum single crystal Y.Hiraoka Journal of Alloys and Compounds 177 (1991) L1-L6 (*short note) [1990] モリブデン材料の高出力 CO2レーザ溶接 平岡 裕, 入江宏定, 岡田雅年, 安永暢男, 峰田進栄, 池田正幸 日本金属学会誌 54(1) (1990) 61-66 Significant effect of carbon content in the low-temperature fracture behavior of molybdenum Y.Hiraoka Materials Transactions, JIM 31(10) (1990) 861-864 窒素添加したモリブデンの粒界偏析および破壊 平岡 裕, Edwards,B.C., Eyre,B.L. 日本金属学会誌 54(11) (1990) 1205-1213 [1989] 2 次再結晶法により作製したモリブデン単結晶の完全性 平岡 裕, Kuo,C.L., Bilello,J.C. 日本金属学会誌 53(10) (1989) 1077-1078 (*short note) -9- [1988] Low-temperature fracture behavior and helium-annealing embrittlement of doped molybdenum Y.Hiraoka and M.Okada Zeitschrift fur Metallkunde 79(8) (1988) 519-523 純タングステン薄板の圧延集合組織の発達に及ぼす圧延方法の影響 森 道雄, 秋山 隆, 平岡 裕, 藤井忠行 粉体および粉末冶金 35(4) (1988) 266-270 [1987] Weldability of powder-metallurgy molybdenum with low oxygen content Y.Hiraoka and M.Okada Zeitschrift fur Metallkunde 78(3) (1987) 197-200 電子ビーム溶接したモリブデン単結晶の引張特性 平岡 裕, 岡田雅年, 入江宏定, 藤井忠行 日本金属学会誌 51(5) (1987) 407-412 Quenching effect on the low-temperature fracture behaviour of molybdenum single crystals Y.Hiraoka, T.Fujii & M.Okada Zeitschrift fur Metallkunde 78(6) (1987) 421-425 モリブデンの電子ビーム溶接継手の延性を改善するための最適炭素量 平岡 裕, 入江宏定, 岡田雅年 溶接学会論文集 5(4) (1987) 522-527 [1985] モリブデン単結晶のき裂の発生および伝ぱ特性 平岡 裕, 藤井忠行, 岡田雅年, 渡辺亮治 日本金属学会誌 49(2) (1985) 104-111 Rhenium effects on the ductility of electron-beam-welded joints of molybdenum Y.Hiraoka, H.Irie & M.Okada Zeitschrift fur Metallkunde 76(11) (1985) 755-759 [1984] 電子ビーム溶接した Mo-Nb, Mo-Zr 及び Mo-Re 合金の引張特性 平岡 裕, 入江宏定, 岡田雅年 - 10 - 溶接学会論文集 2(1) (1984) 154-159 Improvement of mechanical properties in sintered-molybdenum sheets by reducing oxygen levels Y.Hiraoka and M.Okada Powder Metallurgy International 16(3) (1984) 122-124 Preparation of a large-scale molybdenum single-crystal sheet by means of secondary recrystallization T.Fujii, R.Watanabe, Y.Hiraoka & M.Okada Journal of the Less-Common Metals 96 (1984) 297-304 Bend properties of molybdenum single-crystal sheets produced by the secondary recrystallization method ~role of island grains Y.Hiraoka, M.Okada, T.Fujii & R.Watanabe Journal of the Less-Common Metals 97 (1984) 99-108 Orientation dependence of the low temperature bend properties of molybdenum single crystals produced by the secondary recrystallization method Y.Hiraoka, M.Okada, T.Fujii & R.Watanabe Journal of the Less-Common Metals 97 (1984) 109-117 Effects of rolling procedures on the development of annealing textures in molybdenum sheets T.Fujii, R.Watanabe, Y.Hiraoka & M.Okada Journal of the Less-Common Metals 97 (1984) 163-171 Secondary recrystallization kinetics in molybdenum sheet T.Fujii, R.Watanabe, Y.Hiraoka & M.Okada Journal of the Less-Common Metals 99 (1984) 77-86 Effect of initial grain size on the secondary grain growth in molybdenum sheet T.Fujii, R.Watanabe, Y.Hiraoka & M.Okada Materials Science and Engineering 68 (1984) 45-53 A new technique for preparation of molybdenum single crystal with an optional shape T.Fujii, R.Watanabe, Y.Hiraoka & M.Okada Materials Letters 2(3) (1984) 226-229 (*short note) Surface effects on low-temperature bend properties of molybdenum single crystals Y.Hiraoka, T.Fujii, M.Okada & R.Watanabe Zeitschrift fur Metallkunde 75(7) (1984) 492-495 粉末冶金法による溶接性の良好な低酸素モリブデンの製造 平岡 裕, 岡田雅年, 秋山 隆, 山渕保夫 - 11 - 日本金属学会誌 48(9) (1984) 945-949 [1983] Embrittlement of sintered molybdenum predoped with carbon in high temperature oxygen-contaminated helium Y.Hiraoka, T.Noda & M.Okada Journal of the Less-Common Metals 91 (1983) 167-176 [1982] Bend properties of electron-beam-welded sintered molybdenum sheet Y.Hiraoka, H.Irie, M.Okada & R.Watanabe Powder Metallurgy International 14(3) (1982) 148-152 モリブデンに対するビーム振動を用いた電子ビーム溶接法の適用 平岡 裕, 入江宏定, 岡田雅年, 渡辺亮治 溶接学会誌 51(12) (1982) 1002-1008 [1981] Improvement of ductility of molybdenum sheet by forming a surface layer containing boron Y.Hiraoka, M.Fukutomi & M.Okada Journal of Nuclear Materials 99 (1981) 327-330 (*short note) [1980] Effect of aging after carbon doping on the ductility of molybdenum Y.Hiraoka, M.Okada & R.Watanabe Journal of the Less-Common Metals 75 (1980) 31-42 [1979] Low-temperature ductility of an electron-beam-welded molybdenum sheet predoped with a small amount of carbon Y.Hiraoka, M.Okada & R.Watanabe Journal of Nuclear Materials 83(2) (1979) 305-312 [1978] Effect of a small amount of additional carbon on the ductility of recrystallized sintered-molybdenum sheet Y.Hiraoka, F.Morito, M.Okada & R.Watanabe Journal of Nuclear Materials 78(1) (1978) 192-200 (in Japanese) - 12 - [1976] 微量添加元素を含む Al-Zn 合金の G.P.ゾーンとその伝導現象への寄与 平岡 裕, 長村光造, 村上陽太郎 日本金属学会誌 40(11) (1976) 1134-1140 Al-Ag 合金における伝導電子の散乱におよぼす G.P.ゾーンのサイズおよび内部 構造の影響 平岡 裕, 長村光造, 村上陽太郎 日本金属学会誌 40(12) (1976) 1223-1228 [1974] Al-Zn 合金における伝導電子の散乱におよぼす G.P.ゾーンのサイズおよび形状 の影響 平岡 裕, 長村光造, 村上陽太郎 日本金属学会誌 38(7) (1974) 669-672 [1973] Hall coefficients of Al-Zn solid solution alloys K.Osamura, Y.Hiraoka & Y.Murakami Philosophical Magazine 28(2) (1973) 321-334 The resistivity maximum during Guinier-Preston zone formation in Al-Zn alloys K.Osamura, Y.Hiraoka & Y.Murakami Philosophical Magazine 28(4) (1973) 809-825 - 13 -
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