{"currentpage":1,"firstResult":0,"maxresult":10,"pagecode":5,"pageindex":{"endPagecode":5,"startPagecode":1},"records":[{"abstractinfo":"通过KKSM多相场模型,分别研究了定向凝固条件下亚共晶、过共晶成分的CBr4-C2Cl6合金层片生长形貌选择规律.结果表明,随着初始层片间距的不断增加,亚共晶的形貌选择变化依次为:层片湮没→稳态生长→2λ0不稳定性→层片分叉与形核;而过共晶的形貌选择变化依次为:层片湮没→稳态生长→2λ0不稳定性→T-2λ0不稳定性→Tilt 生长→T-1λ0不稳定性.模拟结果不仅与理论计算的形貌选择图相符,而且与实验结果定性地一致.","authors":[{"authorName":"杨玉娟","id":"451c454c-aceb-4881-a87b-7352700db99c","originalAuthorName":"杨玉娟"},{"authorName":"王锦程","id":"8bc0aa23-c90a-4198-9592-ee21b4e576a2","originalAuthorName":"王锦程"},{"authorName":"张玉祥","id":"4274bb36-6bb0-4be9-a522-2999840fe896","originalAuthorName":"张玉祥"},{"authorName":"朱耀产","id":"280927dd-1af7-49cb-ab79-a7f0d233f910","originalAuthorName":"朱耀产"},{"authorName":"杨根仓","id":"9172565a-c5d1-4526-9e16-c9f0acebbb51","originalAuthorName":"杨根仓"}],"doi":"","fpage":"594","id":"3c56d5f0-9c84-4428-ab94-57c634ae9268","issue":"4","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"992e9381-9ea6-4d90-9be6-6789c16a4cb0","keyword":"多相场","originalKeyword":"多相场"},{"id":"b2146a4f-db17-470f-bfa4-264e36d50d2b","keyword":"层片生长","originalKeyword":"层片生长"},{"id":"961e1cea-cb3e-4df3-893e-17e05796ec73","keyword":"亚共晶","originalKeyword":"亚共晶"},{"id":"4476b446-5028-496a-83d8-0990e5e10b9c","keyword":"过共晶","originalKeyword":"过共晶"},{"id":"e4d9fe91-63f8-4a32-bd76-c1e68d0b69b6","keyword":"CBr4-C2Cl6合金","originalKeyword":"CBr4-C2Cl6合金"}],"language":"zh","publisherId":"xyjsclygc200804006","title":"多相场模拟非共晶成分CBr4-C2Cl6合金层片生长的形貌选择","volume":"37","year":"2008"},{"abstractinfo":"利用KKSO三维多相场模型, 在等层片宽度和厚度条件下, 研究了 CBr₄-C₂Cl₆共晶合金在不同初始层片间距条件下的三维形态演化过程、层－棒转变及三维层片间距调整机制. 研究表明, 对于亚共晶、共晶成分的CBr₄-C₂Cl₆合金, 不同的初始层片间距可能导致共晶形态发生层--棒转变, 且发生层--棒转变的趋势与初始层片间距的大小有关; 而过共晶成分的CBr₄-C₂Cl₆合金不会发生层－棒转变, 维持层片生长. 而且当无量纲初始层片间距在0.598-2.336之间变化时, 随着层片间距的增加, 其演化顺序为: 层片湮没后形成 1λO→T-xλO→1λO→2λO→分叉与形核→Z字型分叉→无序组织. 研究还表明,三维层片间距调整机制与二维层片间距调整机制类似, 基本机制为层片湮没和层片分叉. 当初始层片间距较小时, 发生层片湮没现象. 而当初始层片间距较大时, 层片发生分叉. 但由于多了第三方向的限制作用, 三维层片间距调整机制比二维复杂.","authors":[{"authorName":"杨玉娟严彪","id":"fd17f47a-3b53-4b89-a836-e9770fdb364c","originalAuthorName":"杨玉娟严彪"}],"categoryName":"|","doi":"10.3724/SP.J.1037.2010.00092","fpage":"787","id":"a5381015-de24-4e76-acd6-bd7eb4656378","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"2221deb5-cae9-47e9-9e7d-7498601b4c6b","keyword":"三维多相场","originalKeyword":"三维多相场"},{"id":"cbd00ac4-2ffc-4586-8152-d1adec83ab8e","keyword":"eutectic","originalKeyword":"eutectic"},{"id":"fb2e938d-7531-4b2f-b245-2814685a8b78","keyword":"morphology evolution","originalKeyword":"morphology evolution"},{"id":"e45e5fd7-3b9a-498e-9569-0e8b27ae7c7d","keyword":"lamellar-rod transition","originalKeyword":"lamellar-rod transition"},{"id":"ba35f3a1-e99d-446d-aa99-acc461ca3610","keyword":"adjustment of lamellar spacing","originalKeyword":"adjustment of lamellar spacing"}],"language":"zh","publisherId":"0412-1961_2010_7_5","title":"CBr₄-C₂Cl₆共晶合金生长的三维多相场模拟
\nII.层片间距对形态演化的影响","volume":"46","year":"2010"},{"abstractinfo":"利用KKSO三维多相场模型,在等层片宽度和厚度条件下,研究了CBr4-C2Cl6共晶合金在不同初始层片间距条件下的三维形态演化过程、层-棒转变及三维层片间距调整机制.研究表明,对于亚共晶,共晶成分的CBr4-C2Cl6合金,不同的初始层片间距可能导致共晶形态发生层-棒转变,且发生层-棒转变的趋势与初始层片间距的大小有关;而过共晶成分的CBr4-C2Cl6合金不会发生层-棒转变,维持层片生长.而且当无量纲初始层片间距在0.598-2.336之间变化时,随着层片间距的增加,其演化顺序为:层片湮没后形成1λO→T-xλO→1λO→2λO→分叉与形核→Z字型分叉→无序组织.研究还表明,三维层片间距调整机制与二维层片间距调整机制类似,基本机制为层片湮没和层片分叉.当初始层片间距较小时,发生层片湮没现象.而当初始层片间距较大时,层片发生分叉.但由于多了第三方向的限制作用,三维层片间距调整机制比二维复杂.","authors":[{"authorName":"杨玉娟","id":"06a476b7-7d6c-4a13-adce-dc56856d7cdc","originalAuthorName":"杨玉娟"},{"authorName":"严彪","id":"f3d89af0-8b73-4033-af67-bf6e0123508c","originalAuthorName":"严彪"}],"doi":"10.3724/SP.J.1037.2010.00092","fpage":"787","id":"b09b550e-d524-42c7-861c-28e140a2496a","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"873386ad-4b97-4572-8150-4bd5c97dfc23","keyword":"三维多相场","originalKeyword":"三维多相场"},{"id":"11c4068e-4b28-4b17-8a60-fa653e0d090b","keyword":"共晶","originalKeyword":"共晶"},{"id":"42d2eec3-43e8-43c4-a427-b9b82cdbe954","keyword":"形态演化","originalKeyword":"形态演化"},{"id":"2bf24db9-7634-40a0-95be-16e622959d58","keyword":"层-棒转变","originalKeyword":"层-棒转变"},{"id":"e5e44f9d-6f91-48f9-ac27-35296de037bd","keyword":"层片间距调整","originalKeyword":"层片间距调整"}],"language":"zh","publisherId":"jsxb201007004","title":"CBr4-C2Cl6共晶合金生长的三维多相场模拟Ⅱ.层片间距对形态演化的影响","volume":"46","year":"2010"},{"abstractinfo":"将KKSO多相场模型扩展至三维, 通过低层片厚度测试验证了模型建立和参数选择的正确性. 利用KKSO三维多相场模型, 在低厚度条件下研究了亚共晶、共晶及过共晶合金的三维形态演化. 结果表明, 三维形态演化与二维类似, 当无量纲初始层片间距在0.598-2.336之间变化时, 随着初始层片间距的增加, CBr₄-C₂Cl₆共晶合金形态演化的顺序为: 层片淹没→稳态生长→层片振荡→层片分叉. 由于三维多了第三方向的限制作用, 其形态演化的临界值明显低于二维.","authors":[{"authorName":"杨玉娟严彪","id":"3a69c7d8-d011-4f19-80b6-852e177358ce","originalAuthorName":"杨玉娟严彪"}],"categoryName":"|","doi":"10.3724/SP.J.1037.2010.00091","fpage":"781","id":"6e3e9821-f9b9-4534-b3f6-e7494aaf808c","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"52aac2e4-4f5f-4261-9b76-33d2416ae63d","keyword":"三维多相场","originalKeyword":"三维多相场"},{"id":"15866915-20a9-439d-8786-7b8fc91f2734","keyword":"low lamellar thickness","originalKeyword":"low lamellar thickness"},{"id":"69406b87-64f5-45ac-9254-e3cb621debb5","keyword":"morphology evolution","originalKeyword":"morphology evolution"}],"language":"zh","publisherId":"0412-1961_2010_7_2","title":"CBr₄-C₂Cl₆共晶合金生长的三维多相场模拟\nI. 模型建立及验证","volume":"46","year":"2010"},{"abstractinfo":"将KKSO多相场模型扩展至三维,通过低层片厚度测试验证了模型建立和参数选择的正确性.利用KKSO三维多相场模型,在低厚度条件下研究了亚共晶、共晶及过共晶合金的三维形态演化.结果表明,三维形态演化与二维类似,当无量纲初始层片间距在0.598-2.336之间变化时,随着初始层片间距的增加,CBr4-C2Cl6共晶合金形态演化的顺序为:层片淹没→稳态生长→层片振荡→层片分叉.由于三维多了第三方向的限制作用,其形态演化的临界值明显低于二维.","authors":[{"authorName":"杨玉娟","id":"34bf21eb-c54e-4df2-8063-61c8d0508285","originalAuthorName":"杨玉娟"},{"authorName":"严彪","id":"e34f7ed8-c018-4b3d-9405-7013cc8eacd2","originalAuthorName":"严彪"}],"doi":"10.3724/SP.J.1037.2010.00091","fpage":"781","id":"35887687-bb89-4206-8b3d-1d9449448941","issue":"7","journal":{"abbrevTitle":"JSXB","coverImgSrc":"journal/img/cover/JSXB.jpg","id":"48","issnPpub":"0412-1961","publisherId":"JSXB","title":"金属学报"},"keywords":[{"id":"40163ef6-3789-48f6-8a29-0040ba1bfd9e","keyword":"三维多相场","originalKeyword":"三维多相场"},{"id":"cdb0d260-d117-4577-94c3-39703527e63e","keyword":"低层片厚度","originalKeyword":"低层片厚度"},{"id":"4f536304-4f09-446d-9d17-3bb7d6ea4323","keyword":"形态演化","originalKeyword":"形态演化"}],"language":"zh","publisherId":"jsxb201007003","title":"CBr4-C2Cl6共晶合金生长的三维多相场模拟Ⅰ.模型建立及验证","volume":"46","year":"2010"},{"abstractinfo":"研究了C2Cl6除气剂-超声联合处理对铝合金(Al-3.06％Si,Al-3.21％Mg和2024合金)氢含量及2024合金力学性能的影响.结果表明:联合处理可大幅度缩短超声除气时间.联合除气后对2024合金力学性能影响很大:铸锭的抗拉强度及延伸率比未除气时分别提高了28.3％及92.3％(最大增幅),除气处理对2024合金的屈服强度影响很小,仅提高6.7％(最大增幅).另外,除气后断裂方式从脆性断裂向微孔聚集型断裂转变,最终提高了力学性能.","authors":[{"authorName":"贾征","id":"11d0c920-2e84-45fa-b9b0-956fed5fa13f","originalAuthorName":"贾征"},{"authorName":"乐启炽","id":"618f839c-11d3-4b17-8563-4851343d8be9","originalAuthorName":"乐启炽"},{"authorName":"张志强","id":"f2340348-054d-4192-a561-a5815a51a823","originalAuthorName":"张志强"},{"authorName":"王红玲","id":"0bcc3292-1f9f-4d83-badf-0d4788a088bc","originalAuthorName":"王红玲"},{"authorName":"崔建忠","id":"a3cc2fb6-d9c5-46a1-b50e-31adbd578c50","originalAuthorName":"崔建忠"}],"doi":"","fpage":"1427","id":"8573e54b-dd20-4e05-86f3-a26fad12623c","issue":"6","journal":{"abbrevTitle":"XYJSCLYGC","coverImgSrc":"journal/img/cover/XYJSCLYGC.jpg","id":"69","issnPpub":"1002-185X","publisherId":"XYJSCLYGC","title":"稀有金属材料与工程"},"keywords":[{"id":"9691f8f7-1c41-4c18-94a4-f854c44c660c","keyword":"超声除气","originalKeyword":"超声除气"},{"id":"5a1be2c0-6636-4b5d-93b1-53a802fb184e","keyword":"C2Cl6除气剂","originalKeyword":"C2Cl6除气剂"},{"id":"fa1740dc-9512-4ac8-9818-c73cecd7ec12","keyword":"铝合金","originalKeyword":"铝合金"},{"id":"82252d23-bb10-4a43-ae68-301e517577ee","keyword":"氢含量","originalKeyword":"氢含量"},{"id":"912055a4-6a6d-4a39-a99c-080935f9ec3b","keyword":"力学性能","originalKeyword":"力学性能"}],"language":"zh","publisherId":"xyjsclygc201406031","title":"C2Cl6除气剂-超声场联合处理对铝合金氢含量及力学性能的影响","volume":"43","year":"2014"},{"abstractinfo":"In this paper, the third-order perturbation formulas of EPR g factors g(i) (i=x, y, z) for d(9) ions in rhombic symmetry where the ground state being an vertical bar d(x2-y2)> admixture of and vertical bar d(z2)> states are derived. These formulas are based on a two-spin-orbit-parameter model in which the contributions to g factors due to both the spin-orbit parameter of the central 3d(n) ion and that of ligand ion are included. From these formulas, the g factors g(i) for the rhombic CuCl(6)(4-) clusters in (3-chloroanilinium)(8)[CdCl(6)]CL(4):Cu(2+) crystal are calculated. The calculated values are in good agreement with those obtained by the complete diagonalization (of energy matrix) method and experimental values. Results are discussed. (C) 2010 Elsevier B.V. All rights reserved.","authors":[],"categoryName":"|","doi":"","fpage":"3642","id":"90c6f423-110f-47cd-add4-cc51c34d832d","issue":"17","journal":{"abbrevTitle":"PBM","id":"b1289047-807c-4b57-bffc-a126ac2ffa2a","issnPpub":"0921-4526","publisherId":"PBM","title":"Physica B-Condensed Matter"},"keywords":[{"id":"b3a309ca-838d-44ee-a557-c4e73322bf9b","keyword":"Electron paramagnetic resonance;Crystal and ligand field theory;Optical spectrum;(3-chloroanilinium)(8)[CdCl(6)]Cl(4):Cu(2+);atomic screening constants;gyromagnetic factor;single-crystals;scf;functions;cu2+ ion;parameters;distortion;resonance;spectra;vo2+","originalKeyword":"Electron paramagnetic resonance;Crystal and ligand field theory;Optical spectrum;(3-chloroanilinium)(8)[CdCl(6)]Cl(4):Cu(2+);atomic screening constants;gyromagnetic factor;single-crystals;scf;functions;cu2+ ion;parameters;distortion;resonance;spectra;vo2+"}],"language":"en","publisherId":"0921-4526_2010_17_4","title":"A theoretical study of EPR g factors for the rhombic CuCl(6)(4-) clusters in (3-chloroanilinium)(8) CdCl(6) Cl(4):Cu(2+) crystal","volume":"405","year":"2010"},{"abstractinfo":"The oxidation behavior of Zr(2)[Al(Si)](4)C(5) and Zr(3)[Al(Si)](4)C(6) in air has been investigated. The oxidation kinetics of bulk Zr(2)[Al(Si)](4)C(5) and Zr(3)[Al(Si)](4)C(6) at 900-1300 degrees C generally follow a parabolic law at a very short initial stage and then a linear law for a long period with the activation energy of 237.9 and 226.8 kJ/mol, respectively. The oxide scales have a duplex structure, consisting of mainly an outer porous layer of ZrO(2), Al(2)O(3), and aluminosilicate/mullite, and a thin inner compact layer of these oxides plus remaining carbon. The oxidation resistance of Zr(2)[Al(Si)](4)C(5) and Zr(3)[Al(Si)](4)C(6) has been improved compared with Zr(2)Al(3)C(4), and is much better than Zr(3)[Al(Si)](4)C(6) to larger fraction of protective oxidation products, Al(2)O(3) and aluminosilicate/mullite.","authors":[],"categoryName":"|","doi":"","fpage":"3339","id":"53e6bf07-b9a9-464a-b6ec-65af3b33e162","issue":"12","journal":{"abbrevTitle":"JOMR","id":"155c387a-c8cb-4083-85f3-6b58aeef4116","issnPpub":"0884-2914","publisherId":"JOMR","title":"Journal of Materials Research"},"keywords":[{"id":"01fbe95c-60db-4ca7-8f7e-d18cbf39ecf8","keyword":"single-crystals;thermoelectric properties;zrc/zro2 interface;zirconium carbide;high-temperatures;bulk zr2al3c4;carbon;mullite;microstructure;ceramics","originalKeyword":"single-crystals;thermoelectric properties;zrc/zro2 interface;zirconium carbide;high-temperatures;bulk zr2al3c4;carbon;mullite;microstructure;ceramics"}],"language":"en","publisherId":"0884-2914_2008_12_1","title":"Oxidation of Zr(2) Al(Si) (4)C(5) and Zr(3) Al(Si) (4)C(6) in air","volume":"23","year":"2008"},{"abstractinfo":"本文以苏氨酸,3,5-二溴水杨醛以及醋酸铜为原料合成了新型配合物[Cu2(C6H2Cl2OC=N-C3H6COO)2(H2O)2]·3H2O,并对其晶体结构经元素分析,红外光谱及X射线单晶衍射表征.结果表明:该晶体属单斜晶体结构,晶胞参数分别为:a=0.6985(2) nm, b=1.0789(2) nm, c=1.9639(3) nm, β=92.182(3) °, Mr=797.34, V=1.4789(6) nm3 , Z=2, Dc=1.790 g/cm3, μ(MoKa) =1.867 mm-1, F(000)=808, R=0.0321, wR= 0.0566.Cu(II)与一个N原子,两个O原子以及一个水分子构成三齿链状席夫碱.不对称单元结构包含两个配合物分子及三个由氢键链接的水分子.","authors":[{"authorName":"夏金虹","id":"3122b93e-26d4-4d95-a3ee-8765432f3146","originalAuthorName":"夏金虹"},{"authorName":"刘峥","id":"d6b429eb-d170-4d40-a26b-1be1e7b45742","originalAuthorName":"刘峥"},{"authorName":"王莉","id":"845a9476-98b4-4790-8a1e-787557118fe6","originalAuthorName":"王莉"}],"doi":"","fpage":"672","id":"05379be7-9e81-40ae-bba1-ca6a8be60959","issue":"3","journal":{"abbrevTitle":"RGJTXB","coverImgSrc":"journal/img/cover/RGJTXB.jpg","id":"57","issnPpub":"1000-985X","publisherId":"RGJTXB","title":"人工晶体学报"},"keywords":[{"id":"52531bc3-9402-49f8-af2c-05e4f670f974","keyword":"铜(II)配合物","originalKeyword":"铜(II)配合物"},{"id":"e3f492ce-1d20-4a7c-9368-27efbf4e81d2","keyword":"晶体结构","originalKeyword":"晶体结构"},{"id":"cda3d529-ccab-40d0-a30f-238ced6a6029","keyword":"表征","originalKeyword":"表征"}],"language":"zh","publisherId":"rgjtxb98200903028","title":"配合物[Cu2(C6H2Cl2OC=N-C3H6COO)2(H2O)2]·3H2O合成与晶体结构","volume":"38","year":"2009"},{"abstractinfo":"本文研究了C6A4MS-C2S-C4AF系中R2O5对β-C2S的稳定性问题.结果表明:P2O5的掺入能有效抑制β-C2S转变为γ-C2S,稳定β-C2S;少量P2O5对C6A4MS的形成无抑制作用.","authors":[{"authorName":"马德伟","id":"635f3ca0-6ad5-41de-ba8b-18ff5be608a7","originalAuthorName":"马德伟"},{"authorName":"杨利群","id":"5055f0c4-1d27-42ac-ba6a-b2706393b795","originalAuthorName":"杨利群"},{"authorName":"徐先宇","id":"95d94db8-49d2-4d5b-839f-0f3e4df03b8a","originalAuthorName":"徐先宇"}],"doi":"10.3969/j.issn.1673-2812.2001.02.020","fpage":"72","id":"8595105a-4417-4d40-9726-dc3fbf4a121b","issue":"2","journal":{"abbrevTitle":"CLKXYGCXB","coverImgSrc":"journal/img/cover/CLKXYGCXB.jpg","id":"13","issnPpub":"1673-2812","publisherId":"CLKXYGCXB","title":"材料科学与工程学报"},"keywords":[{"id":"133cd389-9d74-40f8-94b1-5f3ad55f3b7d","keyword":"P2O5","originalKeyword":"P2O5"},{"id":"d007b4e3-f054-432a-b831-e969a055c6f9","keyword":"C6A4MS-C2S-C4AF系统","originalKeyword":"C6A4MS-C2S-C4AF系统"},{"id":"d6d9dea4-28bf-49fb-b9ee-fcd5c173921d","keyword":"β-C2S稳定","originalKeyword":"β-C2S稳定"}],"language":"zh","publisherId":"clkxygc200102020","title":"P2O5对C6A4MS-C2S-C4AF系中β-C2S稳定作用研究","volume":"19","year":"2001"}],"totalpage":12838,"totalrecord":128380}